# The LearningOnline Network # file extension description file # # $Id: filetypes.tab,v 1.31 2006/12/19 01:14:07 albertel Exp $ # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # ##################################################################### # # Lines which begin with '#' are considered to be comments and ignored. # This means that comments must begin flush on the left and will span # entire lines. # # Many (most) of the file extensions given below are taken from www.filext.com # # Redundancy in this file will result in the last set of values being used. # This means you should put your new definitions at the bottom. Cleaning up # this file is probably a good thing - changing the description of a file # type to make sense for your application is a good thing. # # Notes on embedding values: # # unk "Unknown" embedding - use the default "unknown.gif" icon # hdn "Hidden" embedding - reserved internally for LON-CAPA # ign "Ignore" embedding - # emb "Embed" embedding - normally /adm/wrapper but when # in a .page use to include it # img "Image" embedding - normally /adm/wrapper but when # in a .page use to include it # wrp "Wrap" - display using /adm/wrapper # prv "Private" - like ssi, but always published private # rat "rat" - ? # ssi "Serve Side Include" - embeded by calling # &Apache::lonnet::ssi() # # Note on embedding values note given above: Check the source to see # what happens with the embedding values, don't assume that this documentation # has been kept up to date. # ##################################################################### ##################################################################### # # extension embedding MIME description #-------------------------------------------------------------------- a unk unk ADA Program a01 unk unk ARJ Multi-volume Compressed Archive (can be 01 to 99) a11 unk unk AIIM Graphic a3d unk unk Amapi 3D Modeling a3k unk unk Yamaha A3000 Sampler File a3l unk unk Authorware 3.x Library a4l unk unk Authorware 4.x Library a4p unk unk Authorware File Without Runtime a5l unk unk Authorware 5.x Library a86 unk unk A86 Assembler Program File aa unk unk Audio Book File aam unk unk Authorware Shocked File aas unk unk Authorware Shocked Packet ab unk unk Applix Builder File ab6 unk unk AB Stat Data ab8 unk unk AB Stat Data abc unk unk Flowchart abd unk unk AmBiz Bonus Calculator Data File abf unk unk Adobe Binary Screen Font abm unk unk Album File (various) abo unk unk Applix Builder Turbo File abr unk unk Photoshop Brush abs unk unk Abstracts, PC GNU Compiler Output abw unk unk AbiWord Document File ac3 unk unk AC3 Audio File Format aca unk unk MS Agent Character File acb unk unk ACBM Graphic Image acc unk unk DR-DOS Viewmax File acd unk unk Chromeleon Channel Raw Data ace unk unk The Ace Archiver Compressed File acf unk unk Photoshop Custom Filter acg unk unk MS Agent Preview File ach unk unk Rockwell Software Logix 5 File aci unk unk ACI Development Appraisal acl unk unk Corel Draw 6 Keyboard Accelerator acm unk unk ACBM Image File aco unk unk Photoshop Color Swatch File acr unk unk American College of Radiology File acs unk unk MS Agent Character File act unk unk MS Office Actor Program File ad2 unk unk 2-bit Compressed Voice File ad3 unk unk 3-bit Compressed Voice File ada unk unk ADA Program File adb unk unk ADA Package Body adc unk unk Chromeleon Demo Data File add unk unk Adobe Pagemaker File ade unk unk MS Access Project Extension adf unk unk Adapter Description File adi unk unk AutoCAD Plotter File adl unk unk QEMM MCA Adapter Description Library adn unk unk MS Access Blank Project Template adp unk unk MS Access Project ads unk unk ADA Package Specification adt unk unk HP NewWave Card Application Data File adx unk unk Lotus Approach Index File adz unk unk GZ-Packed Amiga Disk File (see ADF) ae unk unk SoftQuad Author/Editor File aeh unk unk iPer Advanced Embedded Hypertext aep unk unk ArcExplorer Project File aeu unk unk MS AutoRoute Express Europe Route aex unk unk PGP Armored Extracted Public Encryption Key af2 unk unk ABC Flowchart (Now Micrografx FlowCharter) af3 unk unk ABC Flowchart (Now Micrografx FlowCharter) afc unk unk Apple Sound File afi unk unk Truevision Bitmap Graphic afl unk unk Lotus Font afm unk unk Outline Font Metric afp unk unk Flowchart Symbol Palette afs unk unk Filter Factory Photoshop Filter aft unk unk Flowchart Template afw unk unk Flowchart Work Area ag unk unk Applix Graphic ag4 unk unk Access G4 File agp unk unk Aspen Graphics Pages agw unk unk Aspen Graphics Windows ahs unk unk Photoshop Halftone Screens ai unk unk Adobe Illustrator Vector Graphic aif unk unk Knowledgeware Setup Information aim unk unk AOL Instant Messenger File aiml unk unk Artificial Intelligence Markup Language ain unk unk AIN Compressed Archive aio unk unk APL File Transfer Format aip unk unk Audiosoft Parameter File air unk unk Align It! Resource File ais unk unk Array of Intensity Samples (Graphic) aix unk unk HP NewWave Cardfile Application Data akf unk unk Acrobat Key File akw unk unk RoboHELP Help Project Index File alb unk unk JASC Image Commander Album alc unk unk Norton Internet Security Ad Server File ali unk unk SAP Proprietary Format Document File all unk unk Arts & Letters Symbols and Characters als unk unk Alias Image alt unk unk WordPerfect Menu File alv unk unk Photoshop Levels alx unk unk OM2 OMALI Plug-in Extension am unk unk Applix SHELF Macro am2 unk unk AutoPlay Menu Studio Version 2 am3 unk unk AutoPlay Menu Studio Version 3 amc unk unk Ant Movie Catalog amf unk unk Advanced Module Format Music File amg unk unk AMGC Compressed Archive (alternate site) ami unk unk Cocreate SolidDesigner Annotation File amp unk unk Photoshop Arbitrary Map Settings ams unk unk Extreme's Tracker Module Format an unk unk Groundworks Text File anc unk unk Canon Computer Pattern Maker File ani unk unk Animated Cursor anl unk unk Project Analyzer Saved Analysis anm unk unk DeluxPaint Animation ann unk unk Help Annotation ans unk unk ANSI Graphic ant unk unk SimAnt for Windows Saved Game File aob unk unk DVD Audio File (MPEG-2 program streams with additiona aof unk unk Acorn Object Format (used for data storage) aos unk unk Nokia Add-on Software aot unk unk ZenWorks Application Binary Object Template File ap unk unk Applix Presents File apa unk unk AlfaPad Organizer File apc unk unk Centura Team Developer Compiled Application File apd unk unk Centura Team Developer Dynamic Application Library Fi apf unk unk Acrobat Profile File api unk unk Photoshop Ink Colors Setup apk unk unk GameSpy Arcade Service apl unk unk Centura Team Developer Application Library File app unk unk R:Base, Symphony, DR-DOS, FoxPro (or other) Applicati apr unk unk Lotus Approach 97 File aps unk unk MS Visual C++ File apt unk unk Centura Team Developer Text Mode Application File apx unk unk Lotus Approach Paradox-specific Information File aq unk unk Applix Data ar unk unk Compressed Archive File (used by MS Midtown Madness 1 arc unk unk Archive File arf unk unk Automatic Response File ari unk unk Aristotle Audio File arj unk unk Compressed Archive ark unk unk Compressed Archive arl unk unk AOL Organizer File arm unk unk Armadillo Software Protection System arr unk unk Atari Cubase Arrangement art unk unk Clip Art File arv unk unk Arsiv File arx unk unk Compressed Archive as unk unk Applix Spreadsheet asa unk unk MS Visual InterDev File asc unk unk ASCII Text File ase unk unk Velvet Studio Sample asf unk unk MS Active Streaming (Media) File ash unk unk TASM Assembler Header asi unk unk Borland Assembler Include ask unk unk askSam Database asm unk unk Assembler Source Language (various) asmx unk unk ASP.NET Webservices Source File aso unk unk Assembler Object asp unk unk Active Server Page aspi unk unk Audio Catalyst aspx unk unk ASP.NET Source File asr unk unk Ms Automap Route ast unk unk Astound Multimedia File asv unk unk DataCAD Autosave File at2 unk unk Aldus Persuasion 2.0 Auto Template atf unk unk Photoshop Transfer Function atm unk unk Adobe Type Manager Data File atr unk unk Lightscape Material Library att unk unk AT&T Group 4 Bitmap (fax) atw unk unk AnyTime Deluxe PIM File au unk unk Music File (various) aud unk unk Audio File used by Westwood Studios for various games aup unk unk ePocrates File aux unk unk TeX/LaTeX Auxilliary Reference File av unk unk Final Draft AV Document File ava unk unk Avagio Publication avb unk unk Inoculan Anti-Virus Virus Infected File avd unk unk Avery Label Pro Data File avi unk unk Audio Video Interleave File avr unk unk Audio Visual Research Sound File avs unk unk Animation File avx unk unk ArcView File aw unk unk HP AdvanceWrite Text File awd unk unk Faxviewer Document awk unk unk AWK Script awm unk unk Animation Works Movie awr unk unk Telsis Digital Audio File aws unk unk StatGraphics Data File awx unk unk MS DirectX 8.1 ax unk unk DirectShow Filter axd unk unk Avery Label Pro Re-Index File axg unk unk MS Autoroute Trip File axl unk unk ArcIMS XML Project File axr unk unk Telsis Digital Audio File axs unk unk MindAvenue AXEL Stream File axt unk unk ASCII Application Object Template az unk unk WinDVD File b unk unk Limbo Implementation File (Inferno OS) b1j unk unk BookJones b1n unk unk 1st Reader Binary Screen Image b1s unk unk BookSmith b30 unk unk Ventura Publisher Printer Font b3d unk unk 3D Builder File b4 unk unk Helix Nuts and Bolts File (Helix Software now part of b64 unk unk Base 64 MIME-encoded File b8 unk unk Piclab Raw Graphic File b&w unk unk Atari Bland and White Graphics b_w unk unk Atari/Macintosh Black and White Graphic bad unk unk Rime Mailer Address File bal unk unk Ballade Music Score bar unk unk dBase Application Generator Horizontal Menu Object bas unk unk BASIC Language Source bat unk unk Batch Processing (DOS Batch File) bb2 unk unk XBBS-OS/2, XGROUP, AV and ZTree Archiver Control File bbl unk unk TeX/BibTeX Bibliographic Reference File bbm unk unk Deluxe Paint Image File bbma unk unk Bonzibuddy bbp unk unk BitBeamer Split File (of the form .??_??.bbp) bbs unk unk Bulletin Board Sytem Text bc unk unk Sierra Print Artist 4.5 Business Card bcf unk unk ConfigSafe Snapshot Index bch unk unk dBase Application Generator Batch Process Object bcm unk unk MS Works Communications File bco unk unk Bitstream Fontware File bcp unk unk Borland C++ Makefile bcw unk unk Borland C++ 4.5 Environment Settings bdb unk unk MS Works Dababase File bdf unk unk West Point Bridge Designer File bdf unk unk Egret Data File bdr unk unk MS Publisher Border bez unk unk Bitstream Fontware File bf2 unk unk Bradford 2 Font bfa unk unk Blowfish-encrypted File (Extension added to original) bfc unk unk Briefcase File bfl unk unk Colin McRae Rally 2 Data File bfm unk unk UNIX Font Metrics File bfx unk unk BitFax Document bg unk unk MS Backgammon for Windows Game bga unk unk OS/2 Graphic Array bgb unk unk MS Chat Background Graphic bgi unk unk Borland Graphic Interface bgl unk unk Flight Simulator Scenery File bh unk unk PowerArchiver Compressed File bhf unk unk pcAnywhere Host File bi unk unk Binary File bib unk unk Bibliography bic unk unk Civilization III Scenario bif unk unk GroupWise Initialization File big unk unk Chinese (old version) bin unk unk Binary File (many) bio unk unk BioCharter Profile File bit unk unk Bitmap Image biz unk unk Broderbund Print Shop Business Card File bkw unk unk FontEdit Fontset Mirror Image blb unk unk DreamWorks Resource Archive bld unk unk BASIC Bload Graphics blg unk unk Windows Binary Performance Log blk unk unk WordPerfect Temp File bll unk unk An extension used by the VBS/European-A worm. If foun blt unk unk Wordperfect for DOS File bm unk unk Bitmap Graphic bm1 unk unk Apogee BioMenace Data File bmf unk unk Image File bmi unk unk Buzz Instrument bmk unk unk Help Bookmark bmp unk unk Windows OS/2 Bitmap Graphics bmw unk unk Buzz Music File with Waves bmx unk unk Buzz Music File bmz unk unk Demon Stalkers: Raid on Doomfane (old game) bn unk unk AdLib Instrument Bank bnk unk unk Adlib Instrument Bank bnr unk unk Binary News Reader File bol unk unk MS Booasm Compressed Archive Library bom unk unk Orcad Schematic Capture Bill of Materials File boo unk unk Image File bos unk unk Brotherhood of Steel Compressed File (renamed ZIP fil box unk unk Notes Mailbox bpc unk unk Business Plan Toolkit Chart bpl unk unk Delphi Library bps unk unk MS Works Document bpt unk unk Bitmap Master File bpx unk unk Truevision Targa Bitmap bqy unk unk BrioQuery File br unk unk Bridge Script br3 unk unk Bryce 3D Scene File brc unk unk Bryce 2 Scene File brd unk unk EAGLE Board File bri unk unk Basic Rate Interface File brk unk unk Brooktrout Fax-Mail File bro unk unk Tree Professional Broadleaf Creator File brp unk unk Tree Professional Broadleaf Creator Image brw unk unk Application file associated with financial institutio brx unk unk Multimedia Browsing Index bs_ unk unk MS Bookshelf Find Menu Shell Extension bs1 unk unk Apogee Blake Stone Data File bs2 unk unk Basic Stamp 2 Code File (WordPad or BS2-Editor) bsa unk unk BSARC Compressed Archive bsc unk unk Apple II Compressed Archive bsk unk unk Bryce 4 File bsp unk unk Quake Map bsv unk unk BASIC Bsave Graphics btm unk unk 4DOS Batch To Memory Batch File btn unk unk ButtonWare File btr unk unk Btrieve Database File bug unk unk Bug (Problem) File bun unk unk CakeWalk Audio Bundle File but unk unk Buttons! Button Definition buy unk unk Movie Data File bv? unk unk WordPerfect Overflow File (Can be 1 to 9) bvs unk unk BVS Solitaire Collection bw unk unk SGI Black and White Image bwb unk unk Visual Baler Spreadsheet File bwi unk unk Blindread/Blindwrite bwr unk unk Kermit Beware Bug List bws unk unk Blindread/Blindwrite bwt unk unk Blindread/Blindwrite bwv unk unk Business Wave File byu unk unk Movie File (Shockwave) bz unk unk Bzip UNIX Compressed File bz2 unk unk Bzip UNIX Compressed File (Replaces .BZ) c unk unk C Program File c?? unk unk Winace Compressed File c++ unk unk C++ Source Code c-- unk unk Sphinx C-- Source c00 unk unk Ventura Print File c01 unk unk Typhoon Wave File c2d unk unk IsoBuster File c4 unk unk Catfish File Manager Support File c4d unk unk Cinema 4D (3D Modeling texturing and animation progra c86 unk unk C86 C Program c-- unk unk Sphinx C-- Source code ca unk unk Telnet Server Initial Cache Data File ca7 unk unk Beta 44 Job File cab unk unk Cabinet File (Microsoft installation archive) cac unk unk dBase IV Executable File cad unk unk Softdesk Drafix CAD File caf unk unk Southern Company Terrestrial Data Acq cag unk unk MS Clip Gallery Catalog File cal unk unk SuperCalc Worksheet cam unk unk Casio Camera Graphic can unk unk Navigator Fax cap unk unk Ventura Caption car unk unk AtHome Assistant File cas unk unk Comma-delimited ASCII File cat unk unk dBase Catalog cb unk unk MS Clean Boot File cbc unk unk CubiCalc Fuzzy Logic System File cbi unk unk IBM Mainframe Column Binary Formatted File cbl unk unk COBOL Program cbm unk unk XLib Compiled Bitmap cbt unk unk Computer Based Training cc unk unk C++ Program File cca unk unk CC:Mail File ccb unk unk Visual Basic Animated Button Configuration ccc unk unk Chat ccd unk unk CloneCd Related File cce unk unk Calendar Creator Plus Data File ccf unk unk OS/2 Multimedia Viewer Configuration File cch unk unk Corel Chart ccl unk unk Intalk Communication Command Language ccm unk unk Lotus CC:Mail Mailbox ccn unk unk Vitalize! Game File (Played via IE plug-in) cco unk unk CyberChat Data File ccr unk unk Chat Room Shortcut ccs unk unk CONKY CeZaR Stribas International cct unk unk Macromedia Director Shockwave Cast cd1 unk unk DATAIR Cafeteria Document System Data File cd2 unk unk DATAIR Cafeteria Document System Custom Text File cda unk unk CD Audio Track cdb unk unk Turbo C Database cdf unk unk Comma Delimited Format cdi unk unk Phillips Compact Disk Interactive Format cdk unk unk Atari Calamus Document cdm unk unk PowerDesigner Conceptual Model File cdr unk unk Corel Vector Graphic cdt unk unk Corel Draw Template cdx unk unk Compound Index cdz unk unk ROM With a View Project File ce unk unk FarSide Computer Calendar File ceg unk unk Continuous Edge Graphic cel unk unk Autodesk Animator Graphic cen unk unk Master Tracker Financial Analysis cer unk unk Certificate File cex unk unk The Currency Exchanger Rate File cf unk unk Imake Configurtion File cfb unk unk Comptons Multimedia File cff unk unk Capabilities File for FOUNDATION(tm) Fieldbus H1 (31. cfg unk unk Configuration (various) cfh unk unk Capabilities File for FOUNDATION(tm) Fieldbus HSE (10 cfl unk unk Corel Flowchart File cfm unk unk Corel FontMaster cfn unk unk Atari Calamus Font Data File cfo unk unk TCU Turbo C Utilities C Form Object cfp unk unk Complete Fax Portable Fax File cga unk unk Ventura CGA Screen Characters cgi unk unk Common Gateway Interface Script cgm unk unk Computer Graphics Metafile cgp unk unk NetCaptor CaptorGroup ch unk unk Clipper Header ch3 unk unk Harvard Chart (Harvard Graphics taken over by Serif) ch4 unk unk Charisma 4.0 Presentation cha unk unk Adobe Pagemaker Kerning Data chd unk unk FontChameleon Font Descriptor chf unk unk pcAnywhere Remote Control File chi unk unk Chiwriter Document chj unk unk Help Composer Project chk unk unk CHKDSK/SCANDISK Output chl unk unk Chromeleon Channel Raw Data chm unk unk Compiled HTML Help chn unk unk Ethnograph Data File chp unk unk Ventura Publisher Chapter chr unk unk Character or Font File cht unk unk Cheat Machine Data File cif unk unk Ventura Chapter Information cil unk unk Clip Gallery Download Package cim unk unk Sim City 200 File cin unk unk OS/2 Change Control File cir unk unk SuperMax E-CAD Save-File Command cis unk unk CheckInbox File cit unk unk Intergraph Scanned Image cix unk unk TCU Turbo C Utilities Database Index ck1 unk unk iD/Apogee Commander Keen 1 Data File (.CK1 to .CK6) ckb unk unk Borland C++ Keyboard Mapping File ckp unk unk Ingres Checkpoint File cl unk unk Generic LISP Source Code cl3 unk unk Easy CD Creator Layout File cl4 unk unk Easy CD Creator Layout File cl5 unk unk Easy CD Creator Layout File cla unk unk Java Class File (usually .CLASS but can be shortened) clb unk unk ICQ Contact List clf unk unk ListPro File clg unk unk Disk Catalog Database clk unk unk Corel R.A.V.E. Animation File cll unk unk Crick Software Clicker File clo unk unk Cloe Image clp unk unk Windows Clipboard/Picture clr unk unk WinEdit Colorization Word List cls unk unk Visual Basic Class Module clw unk unk Microsoft Visual C++ Class Wizard File cm unk unk Craftman Data File cm4 unk unk ClipMate Data File cma unk unk Applix TM1 Database File (text) cmd unk unk OS/2, WinNT Command File cmf unk unk Creative Music File cmg unk unk Chessmaster Saved Game cmk unk unk Card Shop Plus File cml unk unk Cheat Machine Library File (Windows) cmm unk unk CEnvi (ScriptEase:Desktop) Batch File cmp unk unk Leadview Bitmap cmr unk unk MediaPlayer Movie cmu unk unk Carnegie Mellon University Stereo Raster Image cmv unk unk Corel Move Animation cmx unk unk Corel PhotoPaint Image cnc unk unk CNC General Program Data cnd unk unk ControlDraw File cnf unk unk Configuration (various) cnm unk unk Windows Application Menu Options and Setup File cnq unk unk Compuworks Design Shop File cnreg unk unk EULANDA® Warenwirtschaft (ERP) Configuration Informat cnrep unk unk EULANDA® ERP System Report Template cnt unk unk Help File Contents (and other contents needs) cnv unk unk MS Word Data Conversion File cob unk unk COBOL Program File cod unk unk Code List cod unk unk Multiplan Data File col unk unk Autodesk Color Palette com unk unk Command (Executable file) con unk unk Knowledgeware Consolidation File conf unk unk IRC Related Configuration File (IRCDs or EggDrops) cop unk unk Tree Professional Conifer Creator Image File cov unk unk Fax Cover Page (Win2000 Cover Page Editor) cp8 unk unk CP8 256 Gray Scale Image cpd unk unk Fax Coversheet cpe unk unk Fax Coversheet cpf unk unk Complete Fax File cpg unk unk 3dize® Cool Page File cph unk unk Corel Print House Image cpi unk unk Code Page Information cpj unk unk CeQuadrant CD Project cpl unk unk Control Panel Extension cpo unk unk Corel Print House File cpp unk unk C++ Program cpr unk unk Corel Presents Presentation cps unk unk Antivirus Checksum File cpt unk unk Macintosh Compressed File cpx unk unk Control Panel Applet cpy unk unk Copy Books Data File cpz unk unk COMPOZ Music Text crd unk unk Cardfile (Windows 3.x Database) crf unk unk Zortech C++ Cross-Reference File crh unk unk MS Golf Image File crl unk unk Certificate Revocation List crp unk unk dBase Encrypted Database crs unk unk WordPerfect 5.1 for Windows File Conversion Resource crt unk unk Certificate File cru unk unk CRUSH Compressed Archive crw unk unk Canon Raw Format (Image) (ACDSee 4.0) crx unk unk Links Games Course File cry unk unk Crypto Chat II Encrypted Notebook-content crz unk unk Links Games Course File cs unk unk C#.NET Source File csa unk unk Comma Deliminated Text csc unk unk Corel Script csd unk unk Bitstream Fontware File csf unk unk Van Dyke's CRT/SecureCRT Script File csg unk unk Statistica Graph File csh unk unk Hamilton Labs C Shell Script File csi unk unk Cyberautograph Signed Item csk unk unk Claris Works csm unk unk Borland C++ Symbol File, CSML csml unk unk CSML csp unk unk PC Emcee On-Screen Image csq unk unk Foxpro Queries css unk unk Hypertext Cascading Style Sheet cst unk unk Macromedia Director Cast File csv unk unk Comma-Separated Variables ct unk unk Scitex CT Bitmap ctc unk unk PC Installer Control ctf unk unk TIFF Compressed File ctl unk unk Setup Information (various) ctp unk unk American Greetings Greeting Cards ctt unk unk Hotmail List of E-mail Contacts ctx unk unk Compressed Text cty unk unk SimCity City File cub unk unk Gaussian Cube cube unk unk Gaussian Cube cue unk unk MS Cue Cards Data cuf unk unk Turbo C Utilities Form Definition cul unk unk IconForge/ImageForge Cursor Library cur unk unk Cursor cut unk unk Dr. Halo Bitmap Graphic cv unk unk Corel Versions Archive cv4 unk unk Codeview Colors cva unk unk Compaq Diagnostics cvg unk unk Image File cvp unk unk WinFax Cover Page cvr unk unk WinFax Cover Sheet cvs unk unk Canvas Drawing File cvt unk unk dBase Converted Database cvw unk unk Codeview Colors cwe unk unk Crossword Express cwk unk unk Claris Works Data also see AppleWorks cws unk unk Claris Works Template also see AppleWorks cxe unk unk Common XML Envelope cxt unk unk Macromedia Director Protected Cast File cxx unk unk Zortech C++ Program cyn unk unk Cynex Root55 Program Extension cyp unk unk Cypherus Encrypted Archive d unk unk Dialect Source Code File d2d unk unk 3D Fassade Plus 2D/3D Object File d3d unk unk CorelDream 3D File d64 unk unk Commodore 64 Emulator Disk Image d8a unk unk AmBiz Productivity Pak Catalog dad unk unk Chromeleon Channel Raw Data daf unk unk OM2 911 Xchange Version 3 & 6 Document dap unk unk Omnis5 Application File dat unk unk Data (multiple programs) db unk unk Paradox Database db2 unk unk dBase II File db3 unk unk dBASE III File dba unk unk DataEase Data File dbc unk unk MS Visual Foxpro Database Container dbd unk unk Clarion Modula-2 Debug Info dbf unk unk Database (multiple programs) dbg unk unk MS C++ Symbolic Debugging Info dbl unk unk WindowsXP Product Activation File (if on WPA.DBL in t dbm unk unk Cold Fusion Template dbo unk unk dBase IV Compiled Program File dbook unk unk Pocket Diary Text dbq unk unk Paradox Memo dbs unk unk SQL Format Database dbt unk unk Database Text File dbv unk unk Flexfile Memo Field File dbw unk unk DataBoss Database File dbx unk unk Database (multiple programs) dc unk unk DesignCAD CAD File dc2 unk unk DesignCAD CAD File dc5 unk unk DataCAD Drawing File dca unk unk Visual Basic Active Designer Cache dcb unk unk Concordance Database Control Block dcd unk unk Document Content Description File dcf unk unk Design Rule for Camera File Systems File dcl unk unk DumpSec dcm unk unk DCM Module Format dcp unk unk Delphi Compiled Packages dcr unk unk Shockwave File dcs unk unk Quark Desktop Color Separation Specification dct unk unk Dictionary (various) dcu unk unk Delphi Compiled Unit dcx unk unk FAX Image dd unk unk Macintosh Compressed Disk Doubler Archive ddb unk unk Bitmap Graphics File ddata unk unk Pocket Diary Text File dde unk unk Dynamic Data Exchange ddf unk unk BTRIEVE Database ddi unk unk DiskDupe Image ddp unk unk Delphi 6 File dds unk unk INMOS Transputer Development System Occam Compiler De deb unk unk DOS Debug Script def unk unk Definitions dei unk unk Gerber Design Engineered Interface del unk unk Data dem unk unk Descent Demonstration dep unk unk Setup Wizard Dependency der unk unk Certificate File des unk unk Description Text dev unk unk Device Independent TeX/LaTeX File dez unk unk DES Encrypted Zip File df unk unk Lightscape Parameters df1 unk unk Omnis7 and Omnis Studio Database File (also .DF2, .DF dfd unk unk File Flow Diagram Graphic dfi unk unk Digifont Outline Font Description dfl unk unk Signature Default Program Settings dfm unk unk Delphi Forms dfs unk unk Delight Sound File dfv unk unk Word Print Format Template dg unk unk Autotrol Graphics dgc unk unk TurboTax-related File dgn unk unk Microstation95 CAD Drawing File dgo unk unk Dimitrius Settings File (Dimitrius is program author) dgr unk unk Fax Page (MS Outlook Express) dgs unk unk AT Advanced Diagnostics File dh unk unk Geoworks Dependency Information File dhp unk unk Dr. Halo PIC dht unk unk Gauss Data File dia unk unk Computer Support Corp Diagraph Graphics File dib unk unk Device-Independent Bitmap Graphic dic unk unk Dictionary (various) dif unk unk Data Interchange Format dig unk unk Text Document dip unk unk Graphics File dir unk unk Procomm Plus Dialing Directory dis unk unk Ray Tracer File dit unk unk MS Win2000 Active Directory Schema divx unk unk Movie Encoded with DivX-codec diz unk unk Description In Zip File djv unk unk DjVu File djvu unk unk DjVu File dkb unk unk DKBTrace Ray-Traced Graphics File dl unk unk Animations file dld unk unk Lotus File dlg unk unk Dialog Resource Script dlk unk unk INMOS Transputer Development System Occam Compiler Li dll unk unk Dynamic Link Library dlm unk unk Dirty Little Helper Cheat File dls unk unk Downloadable Sounds (Interactive Music Architecture) dlu unk unk Dirty Little Helper Update File dmc unk unk Medical Manager DML System Compiled Script dmd unk unk Visual dBASE Data Module dme unk unk Medical Manager DML System Data Merge dmf unk unk Delusion/XTracker Digital Music File dmg unk unk Macintosh OS X Disk Image File (Treated like a real d dml unk unk Darn! Shopping! Mall File dmo unk unk Derive Demo dmp unk unk Dump (various) dms unk unk Compressed Archive dmx unk unk Medical Manager DML System Index for Custom .DME File dne unk unk Darn v5+ (Windows) Events List dns unk unk DynSite Plug-in File dob unk unk User Document Form File dog unk unk Laughing Dog Screen Saver doh unk unk Geoworks Dependency Information File dos unk unk Text File/DOS Specification Info dot unk unk MS Word Document Template dox unk unk Text File doz unk unk VENDINFO Description Out of Zip File dp unk unk Daily Planner Calendar File dpa unk unk Serif DrawPlus Animation dpc unk unk DiscPlay Collection File dpj unk unk DeskProto CAM Project File dpk unk unk Delphi Package File dpl unk unk Borland Delphi 3 Packed Library dpp unk unk Serif DrawPlus Drawing dpr unk unk Borland C++ (or Delphi) Default Project dpt unk unk Publish-It! Publication File dpx unk unk Digital Moving Picture Exchange dqy unk unk MS Excel ODBC Query File dr9 unk unk Directory File drc unk unk Orcad Schematic Capture Design Rules Check Report Fil dres unk unk Diagnosis Results drn unk unk Darn for DOS drw unk unk Drawing (various) ds unk unk Chemisty Software ds4 unk unk Micrografx Designer Graphics (ver 4) dsc unk unk Oracle Discard File dsce unk unk Diagnosis Scenario dsd unk unk DataShaper Database File dses unk unk Diagnosis Session dsf unk unk Micrografx Designer dsg unk unk Doom Saved Game dsh unk unk Dashboard PDA Wallpaper dsk unk unk Borland C++ or Turbo Pascal Project Desktop File dsl unk unk Lingvo User Feature Dictionary dsm unk unk Delphi Symbol File dsn unk unk ODBC Data Source dsp unk unk Signature Display Parameters dsq unk unk Corel QUERY File dsr unk unk Active Designer File dss unk unk Digital Soup Digital Sound File dst unk unk PC-RDist Distribution File dst unk unk Embroidery Machines Graphics File dsw unk unk MS Developer Studio Workspace dsx unk unk Active Designer Binary File dt_ unk unk Macintosh Data File Fork dta unk unk Data (Various) dtd unk unk SGML Document Definition File dtea unk unk Diagnosis Template Archive dtf unk unk Q&A Database dtm unk unk DigiTrekker Module dtp unk unk SecurDesk! Desktop dtq unk unk Database Tools Query dun unk unk Dial-Up Network dv unk unk DESQview Script dvc unk unk Lotus File dvf unk unk DV Studio Camcorder Graphics File dvi unk unk TeX Device Independent Document dvp unk unk DESQview Program Information dvr unk unk Device Driver dw2 unk unk DesignCAD Drawing File dwc unk unk Compressed Archive dwd unk unk DiamondWare Digitized File dwf unk unk Autodesk WHIP! Drawing Web File dwg unk unk AutoCAD Drawing Database dwp unk unk Dweep Game Levels dws unk unk Dyadic Workspace File dwt unk unk AutoCAD Template/Prototype File dwy unk unk Dwyco Video Clip dx unk unk Document Imaging File, JCAMP-DX dxb unk unk Drawing Interchange Binary dxf unk unk AutoCAD Drawing Interchange Format dxn unk unk Fujitsu dexNet Fax Document dxr unk unk Macromedia Director Protected Movie File dyn unk unk Lotus File e00 unk unk ArcInfo Coverage Export File e01 unk unk Encase Forensic Software eac unk unk EmEditor Auto Completion File eal unk unk Enfocus Action List ebj unk unk Geoworks Error Checking Object File ebo unk unk Microsoft Reader Ebook Format ebs unk unk WindowsXP Scanner File ecc unk unk Ecchi Role-playing Format (Generally X-rated Anime Fi ecw unk unk Ensoniq Waveset Format ecw2002puzzle unk unk EclipseCrossword Puzzle ecw2002words unk unk EclipseCrossword Word List ed unk unk EasyDraw CAD File (Japanese CAD program) ed5 unk unk EDMICS Graphics File ed6 unk unk EDMICS Graphics File eda unk unk Ensoniq ASR Disk Image edb unk unk ROOTS3 Geneological Data edc unk unk Kryptel (light) Decoder/Encoder edd unk unk FrameMaker Element Definition Document ede unk unk Ensoniq EPS Disk Image edk unk unk Ensoniq KT Disk Image edp unk unk Attachmate Extra! Session edq unk unk Ensoniq SQ1/SQ2/KS32 Disk Image eds unk unk Ensoniq SQ80 Disk Image edt unk unk VAX Edt Default Settings edv unk unk Ensoniq VFX-SD Disk Image eeb unk unk WordPerfect Equation Editor Button Bar efa unk unk Ensoniq ASR File efe unk unk Ensoniq EPS File efk unk unk Ensoniq KT File efq unk unk Ensoniq SQ1/SQ2/KS32 File efs unk unk Ensoniq SQ80 File eft unk unk Chiwriter High Res Screen Characters efv unk unk Ensoniq VFX-SD File efx unk unk Everex EFax Fax Document ega unk unk Ventura EGA Screen Characters el unk unk eMacs Lisp Source Code elc unk unk eMacs Lisp Byte-compiled Source Code elf unk unk Black Belt Systems Extended Layer File eli unk unk Encyclopedia Article List elm unk unk MS FrontPage Theme-Pack File elt unk unk Event List Text email unk unk Outlook Express Mail Message emb unk unk Brookhaven PDB embl unk unk Brookhaven PDB emd unk unk ABT Extended Module emf unk unk Extended Windows Metafile Format eml unk unk MS Outlook Express Electronic Mail emr unk unk Emrite (Wordprocessor file) ems unk unk PC Tools Enhanced Menu System Config emu unk unk Emulation emx unk unk Enigmacross Puzzle File emy unk unk Eericsson Ringtone enc unk unk UUENCODE Encoded File end unk unk Corel Arrow Definition enf unk unk RCEncrypt File eng unk unk Dictionary enl unk unk Endnote Library File (for research papers) enr unk unk Enroute Toolath env unk unk WordPerfect Environment eot unk unk MS WEFT Embedded OpenType File ep2 unk unk EclipsePackager Package epd unk unk Express Publisher Publication File epi unk unk Express Publisher Document File epl unk unk Tallyman E-commerce Software? eps unk unk Encapsulated PostScript eqn unk unk WordPerfect Equation er1 unk unk ERWin File erd unk unk Entity Relationship Diagram erm unk unk Entity Relationship Diagram Model erp unk unk British Economics & Social Research Council Electroni err unk unk Error Log (various) erx unk unk ERWin File es unk unk EasySIGN Drawing Sheet esf unk unk Emblaze Audio File esh unk unk Extended Shell Batch File esi unk unk Esri Plot File esl unk unk MS Visual FoxPro Distributable Support Library esp unk unk Ventura File ess unk unk The Scientific Word Processor Style Sheet est unk unk MS Streets & Trips 2001 Trip File esy unk unk EmEditor Syntax File eta unk unk eTreppid Audio File (eTplayer & ETVC media CODEC) etc unk unk eTreppid Compressed File eth unk unk Ethnograph Document File etm unk unk eTreppid Audio File (eTplayer & ETVC media CODEC) etv unk unk eTreppid Audio File (eTplayer & ETVC media CODEC) etx unk unk SetText Structure Enhanced Text euc unk unk Japanese (Kanji) eui unk unk Ensoniq EPS Family Compacted Disk Image ev2 unk unk Java File eva unk unk Viz Modeler 3D Scene Archive (used for TV graphics) evt unk unk PC Tools Event File Scheduler evy unk unk Envoy Document ewb unk unk Electronics Workbench ewd unk unk Express Publisher for Windows Document ewl unk unk MS Encarta Document exc unk unk QEMM Exclude File exe unk unk Executable File exm unk unk HP Calculator Executable exp unk unk ICQ Saved Chat File ext unk unk Norton Commander Extension File exx unk unk IBM LinkWay MsgPut Intermediate File eyb unk unk Encyclopedia Yearbook File ezc unk unk EZScreen Screen Saver Editor exf unk unk Calculus EZ-Fax Fax ezm unk unk Text File (From some mailing lists) ezs unk unk Sunburst Technology Easy Sheet Document ezt unk unk Sunburst Technology Easy Sheet Template f unk unk Compressed Archive File (UNIX) f01 unk unk Perfect Fax Document f06 unk unk DOS 6 Pixel Screen Font f07 unk unk DOS 7 Pixel Screen Font f08 unk unk DOS 8 Pixel Screen Font f09 unk unk DOS 9 pixel Screen Font f10 unk unk DOS 10 Pixel Screen Font f11 unk unk DOS 11 Pixel Screen Font f12 unk unk DOS 12 Pixel Screen Font f13 unk unk DOS 13 Pixel Screen Font f14 unk unk DOS 14 Pixel Screen Font f15 unk unk DOS 15 Pixel Screen Font f16 unk unk DOS 16 Pixel Screen Font f2r unk unk Farandoyle Linear Module Format f3r unk unk Farandoyle Blocked Module Format f32 unk unk Raw 32-bit IEEE Floating Point Values f64 unk unk Raw 64-bit IEEE Floating Point Values f77 unk unk FORTRAN 77 Program f90 unk unk FORTRAN Program f96 unk unk Frecom FAX96 Document fa1 unk unk DATAIR FAS 87/132 Reporter Data File fa2 unk unk DATAIR FAS 87/132 Reporter Custom text File fac unk unk FACE Graphic fam unk unk Maxis File (unverified) faq unk unk Frequently Asked Questions far unk unk Farandoyle Tracker Music Module fas unk unk 3D Fassade Plus Basic Module fav unk unk MS Outlook Bar Shortcuts fax unk unk Fax File (various - often TIFF format) fbm unk unk Fuzzy Bitmap fbs unk unk File Burner Skin fc unk unk Harvard Dictionary (Harvard Graphics taken over by Se fcd unk unk Virtual CD-ROM fcm unk unk Forward Compression Binary File Patch fct unk unk Foxpro Catalog fcw unk unk Campaign Cartographer 2 File fd unk unk FORTRAN Declarations fdb unk unk Navison Financials Database fdf unk unk Adobe Acrobat Forms Document fdr unk unk Final Draft Document File fdw unk unk F3 Design and Mapping Document Form fdx unk unk Force Index feb unk unk WordPerfect Figure Editor Button Bar fem unk unk CADRE Finite Element Mesh File fep unk unk MS WEFT Embedding Project fex unk unk Focus File ff unk unk AGFA CompuGraphics Outline Font Description ffa unk unk MS Fast Find File fff unk unk GUS PnP Bank ffl unk unk MS Fast Find File ffo unk unk MS Fast Find File fft unk unk DCA/FFT Final Form Text ffx unk unk MS Fast Find File fga unk unk Folder Guard Attributes fgd unk unk Folder Guard Data fgp unk unk Folder Guard Passwords File fh3 unk unk Aldus Freehand 3 Drawing fh4 unk unk Aldus Freehand 4 Drawing fh8 unk unk Macromedia Freehand 8 fh9 unk unk Macromedia Freehand 9 fi unk unk FORTRAN Interface File fif unk unk Fractal Image Format fig unk unk XFig picture fil unk unk dBase Files List Object fim unk unk Construsyc/Instasyc File fin unk unk WordPerfect Print Format Text fio unk unk ULead Viewer Support File fire unk unk FireStarter Project File fish unk unk 3d Fish Tank Saved Fish fishes unk unk 3d Fish Tank Saved Fishes fishtank unk unk 3d Fish Tank Saved Fishtank fit unk unk FITS Graphic fix unk unk Generic Patch File fky unk unk Foxpro Macro fla unk unk Macromedia Flash Movie flb unk unk Papyrus Format Library flc unk unk AutoDesk FLIC Animated Picture fld unk unk Charisma Folder flf unk unk Corel Paradox Form fli unk unk Autodesk FLIC Animation fll unk unk Foxpro Library flm unk unk AutoCAD Film flo unk unk MicroGrafx FlowCharter File flp unk unk Fruityloops Saved File flr unk unk Live3D File fls unk unk Farrukh Imposition Purlisher Filelist Document flt unk unk Corel Graphic Filter flx unk unk Image File fm unk unk Adobe FrameMaker Document fm1 unk unk Lotus Spreadsheet File fm3 unk unk 1-2-3 Format File fmb unk unk WordPerfect File Manager Button Bar fmd unk unk Open Access File fmf unk unk IBM LinkWay Font or Icon fmk unk unk PowerStation FORTRAN Make File fml unk unk GetRight File Mirror List fmo unk unk dBase Ordered Format fmp unk unk FileMaker Pro Document fmt unk unk Format File fmv unk unk Frame Vector Metafile fmx unk unk Oracle Executable Form fn3 unk unk Harvard Graphics Font (Harvard Graphics taken over by fnd unk unk MS Explorer Saved Search fng unk unk Font Navigator Group File fnk unk unk FunkTracker Module fno unk unk Folio Infobase fnt unk unk Font File (Windows 3.1) fnx unk unk Exact Inactive Font fo1 unk unk Borland Turbo C Font fo2 unk unk Borland Turbo C Font fog unk unk Fontographer Font fol unk unk 1st Reader Saved Message Folder fon unk unk Font File for unk unk FORTRAN Source fot unk unk Installed TrueType Font fox unk unk FoxBase File fp unk unk FileMaker Pro File fp1 unk unk Flying Pigs for Windows Data fp3 unk unk FileMaker Pro File fp5 unk unk FileMaker Pro Document fpa unk unk Franklin Potter Associates Business Invoice Designer fpc unk unk FoxPro Catalog File fpf unk unk Canadian Flight Wizard (flight planning software) fpt unk unk FileMaker Pro File fpw unk unk FloorPlan Plus Floorplan Drawing fpx unk unk FlashPix Bitmap fqf unk unk FlashFXP Queue File fr3 unk unk dBase IV Renamed dBaseIII+ Form frf unk unk FontMonger Font frg unk unk dBase IV Uncompiled Report frl unk unk FormFlow File frm unk unk Form File fro unk unk dBase IV Compiled Report frp unk unk PerForm Pro Plus Form frt unk unk FoxPro Report File frx unk unk Visual Basic Binary Form File frz unk unk FormFlow File fsc unk unk Campaign Cartographer 2 File fsf unk unk Convert It! Factor File fsl unk unk Borland's Paradox 7 Forms fsm unk unk Farandoyle Sample Format fst unk unk FastStats Analyzer File fsx unk unk Lotus 1-2-3 Data ft unk unk Lotus Notes Full Text Index ftb unk unk Roots3 Index File ftg unk unk Windows Help Full-text Search Group File ftm unk unk Family File ftp unk unk FTP Configuration Information fts unk unk Windows Help Full-Text Search Index File ftv unk unk Forest & Trees File ftw unk unk Family File fu unk unk F* You Software Key Generator (Software protection br fuzzy unk unk Fuzzy Logic File fvf unk unk Fluke View fw unk unk Framework Database fw2 unk unk Framework II File fw3 unk unk Framework III File fw4 unk unk Framework IV File fwl unk unk FileWrangler EXE Library fws unk unk FileWrangler Data File for File Splitting Configurati fx unk unk FastLynx On-Line Guide fxd unk unk WinFax Sent Document (TIFF format) fxi unk unk File-Ex File fxo unk unk Fax Image Document fxp unk unk FoxPro Compiled Source fxr unk unk WinFax Received Document (TIFF format) fxs unk unk WinFax Fax Transmit Graphic fzb unk unk Casio FZ-1 Bank Dump fzf unk unk Casio FZ-1 Full Dump fzv unk unk Casio FZ-1 Voice Dump g unk unk Applause Data Chart g3 unk unk G3 FAX File g32 unk unk GFA BASIC 32 Program File g3f unk unk Zetafax TIFF File (fine resolution) g3n unk unk Zetafax TIFF File (normal resolution) g4 unk unk GTX RasterCAD File g8 unk unk PicLab Plane Three Graphics gac unk unk Global Audio Control Skin gal unk unk Gallery of Pictures gam unk unk GammaFax Fax Document gat unk unk Gator File gau unk unk Gaussian Input gb unk unk Chinese gba unk unk Nintendo® Game Boy Advance ROM Image gbc unk unk Nintendo® GameBoy Color Emulator ROM Image File gbl unk unk VAXTPU Global Definitions (VAXTPU is default OpenVMS gbt unk unk Photoshop File gc unk unk Sierra Print Artist File gc1 unk unk Golden Common Lisp Source Code gc3 unk unk Golden Common Lisp Source Code gca unk unk GOCA Graphics File gcd unk unk Generic CADD Drawing gcf unk unk WinXComp Grouped Compressed File gci unk unk GTA2 Game File gcm unk unk GeoConcept Map File gcp unk unk Ground Control Point File (map projection) gdb unk unk Interbase Database gdf unk unk GEOS Dictionary gdm unk unk Bells, Whistles, and Sound Boards Module gds unk unk Image File ged unk unk GEDCOM Family History File gem unk unk GEM (a desktop interface) File gen unk unk Ventura-Generated Text File geo unk unk VideoScope File gfa unk unk Bitmap Graphics File gfb unk unk GIFBlast Compressed GIF Image gfc unk unk Patton & Patton Flowcharting 4 File gfi unk unk Genigraphics Graphics Link Presentation gft unk unk NeoPaint Font gfx unk unk Genigraphics Graphics Link Presentation gho unk unk Symantec Ghost Disk Image File ghs unk unk Lasertank High Scores gib unk unk Graph-in-the-Box Chart gid unk unk Windows Help Index File gif unk unk Graphic Interchange Format gig unk unk Sound File gim unk unk Genigraphics Graphics Link Presentation giw unk unk Graph-in-the-Box Presentation gix unk unk Genigraphics Graphics Link Presentation gjd unk unk T7g Game (unverified) gkh unk unk Ensoniq EPS Family Disk Image gks unk unk Gravis GripKey Document gl unk unk GRASP - Graphical System for Presentation File glm unk unk Glim Data File gly unk unk MS Word Glossary gmf unk unk Applause CGM Graphics gmp unk unk GTA2 Game File gmr unk unk Schlafhorst Automation Graphical Monitor Record gna unk unk Genigraphics Graphics Link Presentation gno unk unk Genopro Genealogy Document File gnt unk unk Micro Focus Generated Code gnx unk unk Genigraphics Graphics Link Presentation gob unk unk Dark Forces Game File goc unk unk Geoworks Goc Source Code goh unk unk Geoworks Goc Header gp unk unk Geoworks Glue Geode Parameter File gp3 unk unk CCITT Group 3 File (fax) gp4 unk unk CCITT Group 4 File (fax) gpf unk unk Believed to be a Japanese graphic file gpg unk unk GnuPG Encrypted File (usually compatible with .PGP fi gph unk unk Lotus 1-2-3 Graph gpk unk unk Omnigo Program Package gpp unk unk GraphPap Graph Paper File gr3 unk unk Windows 3.0 Screen Grabber gra unk unk Flight Simulator File grb unk unk MS-DOS Shell Monitor grd unk unk Gradebook Power File grf unk unk Graph grn unk unk Granny 3D Rendering Program grp unk unk Windows Program Manager Group grq unk unk Quickstep Barco Graphics grs unk unk Packedge Barco Graphics grv unk unk Groove Networks File grx unk unk GetRight File List gry unk unk Picture File (raw GREY graphics) gs1 unk unk GraphShow Presentation gsd unk unk Professional Draw Vector Graphics gsm unk unk Raw GSM 6.10 Audio Stream gsp unk unk Geometer's Sketchpad Material File gsw unk unk GraphShow Worksheet gt2 unk unk Graoumftracker Music Module (new) gtk unk unk Graoumftracker Music Module (old) gtp unk unk GuitarPro File gty unk unk Gibson Tray File gup unk unk PopMail Data gwp unk unk Greetings WorkShop File gwx unk unk Genigraphics Graphics Link Presentation gwz unk unk Genigraphics Graphics Link Presentation gx1 unk unk Show Partner Graphics File gx2 unk unk Show Partner Graphics File gxl unk unk Genus Graphics Library gxt unk unk GTA2 Game File gz unk unk Gzip Compressed Archive h unk unk Header (Usually C Compiler) h! unk unk Flambeaux Tutorial Database h++ unk unk C++ Header File h-- unk unk Sphinx C-- Header File ha unk unk Compressed Archive ham unk unk Image File hap unk unk Compressed Archive hbk unk unk Mathcad Handbook hcm unk unk IBM HCM Configuration hcr unk unk IBM HCD/HCM Production Configuration hda unk unk HotDocs Document hdf unk unk Hierarchical Data Format File hdl unk unk Procomm Plus Alternate Download File Listing hdr unk unk Procomm Plus Message Header hdw unk unk Harvard Draw Vector Graphics hdx unk unk Help Index (Various) hed unk unk HighEdit Document hel unk unk MS Hellbender Saved Game hex unk unk Hex Dump hfi unk unk HP Font Info hfx unk unk HotFax File hgl unk unk HP Graphics Language (plotter) hh unk unk C++ Header hhc unk unk Table of Contents File (HHW Application) hhh unk unk Power C Precompiled Header hhk unk unk Help Workshop Index File hhp unk unk Procomm Plus Help Data hhp unk unk HTML Help Project hin unk unk HyperChem Molecule hit unk unk HitPlayer Audio File hjt unk unk TreePad Hypertext Database File hlb unk unk VAX Help Library hlp unk unk Windows Help File hm2 unk unk Help&Manual Help File Project hmi unk unk Descent Human Machine Interfaces MIDI File hmm unk unk Procomm Plus Alternate Mail Read Option Menu hmp unk unk Descent Human Machine Interfaces MIDI File hnf unk unk Humax Receiver Settings hof unk unk Hall Of Fame (scores) hog unk unk Lucas Arts Dark Forces WAD File hot unk unk The Sims (Maxis) Sound File hp unk unk HP Graphics Language (plotter) hp8 unk unk HP NewWave Write ASCII Roman8 Character Set hpf unk unk PageMaker HP LaserJet Fonts hpg unk unk HP Graphics Language (plotter) hpgl unk unk HP Graphics Language (plotter) hpi unk unk Gem Font Information hpj unk unk Help Project File hpk unk unk Compressed Archive hpl unk unk HP Graphics File hpm unk unk Procomm Plus Alternative Menu hpp unk unk C++ Program Header hpr unk unk RoboHELP Configuration File hqx unk unk Binhex Text Conversion File (Macintosh) hrf unk unk Hitachi Raster Format Graphic hrl unk unk Herolab EasyWin32 hpm unk unk Procomm Plus Alternate Main Menu hpp unk unk Zortech C++ Header hpr unk unk RoboHelp Configuration hqx unk unk Macintosh BinHex 4 Compressed Archive hrm unk unk Procomm Plus Alternate Main Menu hrx unk unk Herolab EasyWin32 hrz unk unk Image File hs unk unk Hugs Source Code hs2 unk unk Postering Monochrome Image hsc unk unk HelpScribble Project hsi unk unk Handmade Software Graphic File hsm unk unk The Sims (Maxis) Sound File hsq unk unk Data File Associated with Qaz Trojan hss unk unk Photoshop Hue/Saturation Information hst unk unk History File ht unk unk HyperTerminal hta unk unk Hypertext Application (run apps from HTML doc) htf unk unk WebBase File hti unk unk WebBase File htm unk unk Hypertext Markup Language (HTML) htt unk unk Hypertext Template htx unk unk Extenended Hypertext Template hus unk unk Husqvarna Designer I Embroidery Machine Format huy unk unk Eto Dlia Vas hwd unk unk Hollywood Presentation File hwp unk unk Hangul (Korean) Word Processor File hxm unk unk Procomm Plus Alternate Protocol Selection Menu hxx unk unk C++ Header hy1 unk unk Ventura Publisher Hyphenation Algorythm hy2 unk unk Ventura Publisher Hyphenation Algorythm hyc unk unk WordPerfect Hyphenation File hyd unk unk WordPerfect Hyphenation Dictionary hyp unk unk Hypertext File hz unk unk Chinese i unk unk Progress Include File iaf unk unk MS Outlook 97 and 2000 E-mail Account Settings ian unk unk Sterling Software COOL Business Team Model File Sterl iax unk unk IBM Image Access Executive Bitmap iba unk unk MDE InfoHandler Infobase File ibm unk unk Image File ica unk unk Citrix File icb unk unk Targa Bitmap icc unk unk Kodak Printer Image icd unk unk IronCAD 2D CAD File ice unk unk Archive File icl unk unk Icon Library File (various) ImageForge/IconForge icm unk unk Image Color Matching Profile File icn unk unk Icon Program ico unk unk Icon id unk unk Disk Identification File ida unk unk MS Server File (default.ida is attacked by the Code R idb unk unk MS Developer Intermediate File idd unk unk MIDI Instrument Definition ide unk unk Integrated Development Environment Configuration File idq unk unk Internet Data Query File idw unk unk Aldus IntelliDraw Vector Graphic idx unk unk Index (multiple programs) ief unk unk Image File ies unk unk Photometric File Data ifd unk unk Jet Form Design Form iff unk unk Graphic, Sound (Interchangeable File Format) ifo unk unk DVD Info File (contains menus and other information) ifp unk unk KnowledgeMan Script ifs unk unk OS/2 System File igf unk unk Inset Systems Metafile igp unk unk Igor Reader Sheet Music File igs unk unk IGES-Format iif unk unk QuickBooks for Windows Interchange File iii unk unk Intel Phone Compatible il unk unk Icon Library ilb unk unk Scream Tracker Data ilk unk unk MS ILink Program Format Outline im8 unk unk Sun Raster Graphic ima unk unk WinImage File imf unk unk ImageForge/ImageForge Image EXE Library img unk unk Bitmap Graphic (several programs) imp unk unk Urban Chaos Game File imq unk unk ImageQ Presentation imv unk unk Yahoo Instant Messenger IMVironment imw unk unk Imageware Surfacer 3D CAD Surface Geometry in$ unk unk HP NewWave Install File inb unk unk Vermont HighText Script inc unk unk Include File (various) ind unk unk dBase IV or DataPerfect Index indd unk unk Adobe Indesign Document inf unk unk Information or Setup File (many) ini unk unk Initialization file (many) ink unk unk Pantone Reference File inl unk unk MS Visual C++ Inline Function File inp unk unk Oracle Source Code ins unk unk Internet Communication Setting int unk unk Borland Interface Units inter unk unk Interspector Project File into unk unk Interspector Object File inx unk unk Foxbase Index io unk unk Compressed Archive iob unk unk Imagine File ioc unk unk Instant ORGcharting! Organization Chart iof unk unk Findit Document ion unk unk Text Program/Installation Description ip unk unk IconPackager Icon Set ipd unk unk InstallPROG 6 EDBS Install Database ipf unk unk Microsoft SMS Installer Script (with System Managemen ipl unk unk Corel Pantone Spot Reference Palette ipr unk unk IntelliJ Project XML File ipx unk unk Interactive Pictures Corporation AV File iqy unk unk Excel Web Query irs unk unk WordPerfect Resource File isd unk unk RapidFile Dictionary ish unk unk Compressed Archive File iso unk unk File List for CD-ROM isp unk unk X-Internet Sign-up File iss unk unk InstallShield Response File ist unk unk Digitrakker Instrument File (by n-FaCToR) isu unk unk InstallShield Uninstall Script it unk unk Impulse Tracker Music Module itf unk unk Inside Tract File iti unk unk Impulse Tracker Instrument its unk unk Internet Document Set iv unk unk VRML File ivf unk unk Indeo Video File iw unk unk Iconware Application iwa unk unk IBM Writing Assistant Text iwc unk unk Installwatch Database (install monitor) iwp unk unk Wang Text File ix unk unk Framemaker Index File izt unk unk Izl Binary Token j62 unk unk Ricoh Camera File jar unk unk Java Archive File jas unk unk Compressed Graphic jav unk unk Java Source Code java unk unk JBuilder Java File jbc unk unk Jam Byte-Code Hex File (8051 Microprocessor File) jbd unk unk SigmaScan Data File jbf unk unk Paint Shop Pro Browser File jbx unk unk Project Scheduler File jc! unk unk FlashGet File jdb unk unk Siren Jukebox jde unk unk Cariverona jdf unk unk Turok 2 Game File jdx unk unk JCAMP-DX jef unk unk Janome NH10000 Sewing Machine File jet unk unk Hybrid JetFax Fax jff unk unk JPEG Image jfi unk unk Image File jfx unk unk J2 Fax File jif unk unk JPEG Image jis unk unk Japanese jlf unk unk JetLinks Bookmark Managment jmp unk unk SAS JMPDiscovery Chart-to-statistics File jms unk unk Voxtron TeleButler Graphical Voice Response Call Flow jn1 unk unk Epic MegaGames Jill of the Jungle Data File jnb unk unk Sigma Plot Workbook File jng unk unk JPEG Network Graphic jnl unk unk Ingres Journal File job unk unk Job File jor unk unk MS SQL Server Journal File jpc unk unk Picture File (Japanese) jpe unk unk JPEG Image jpg unk unk JPEG Image jpl unk unk Siren Jukebox js unk unk JavaScript Source Code jsb unk unk Henter-Joyce, Inc. Jaws Script Binary File (Screen re jsd unk unk eFAX Jet Suite Document jse unk unk JScript Encoded Script File jsh unk unk Henter-Joyce, Inc. Jaws Script Header File (Screen re jsl unk unk PaintShop Pro File jsm unk unk Henter-Joyce, Inc. Jaws Script Message File (Screen r jsp unk unk Java Server Page jss unk unk Henter-Joyce, Inc. Jaws Script Source File (Screen re jt unk unk JT Fax jtd unk unk Ichitaro 11 (major Japanese word proccesser) jtf unk unk JPEG Tagged Interchange Format Image jtk unk unk Sun Java ToolKit File jtp unk unk JetForm File jvc unk unk Digital Camera File jw unk unk Justwrite Text jwl unk unk Justwrite Text File Library jzz unk unk Jazz Spreadsheet k25 unk unk Kurzweil 2500 Sample kar unk unk Karaoke MIDI File kau unk unk KeyAudit Software Audit kb unk unk Borland C++ Keyboard Script kbd unk unk Keyboard Script File Layout (various) kbi unk unk Keirsey-Bates Temperament Sorter Index kbm unk unk Reflection Keyboard Script File Layout kbp unk unk Keirsey-Bates Temperament Sorter Profile kbr unk unk Keirsey-Bates Temperament Sorter Data kcl unk unk Kyoto Common LISP Source Code kcp unk unk Keychamp File kdc unk unk Kodak Photo-Enhancer ked unk unk KEDIT Profile and Macro File (DOS-based version of IB kex unk unk KEDIT Macro File key unk unk Keyboard Macros kfx unk unk KoFax Group 4 Image kix unk unk KixTart Script (Win NT login scripts) kiz unk unk Kodak Digital Postcard File kkw unk unk RoboHELP Keyword Help project Index File kmp unk unk Korg Trinity KeyMaP File kno unk unk Personal Knowbase File kos unk unk MicroType Pro Document kpp unk unk SmartPad Toolpad kps unk unk IBM KIPS Bitmap kqp unk unk Konica Camera File kr1 unk unk Kurzweil 2000 Sample (multi-floppy) kry unk unk Herolab Krypten krz unk unk Kurzweil 2000 Sample ks unk unk SOF Game File Log ksc unk unk Korg Trinity Script kse unk unk Keepsake Studio Export File ksf unk unk Korg Trinity Sample ksh unk unk Prodigy Internet Registration File ktt unk unk KeyText Data File kumac unk unk Physics Analysis Workstation Macro File kyb unk unk Keyboard Layout kye unk unk Kye Game Data l unk unk LEX Program File la unk unk Lightscape Animation lab unk unk Mailing Labels lat unk unk Crossword Express Lattice File lay unk unk Applause Word Chart Layout lbg unk unk dBase IV Label Generator lbi unk unk Dreamweaver Library File lbl unk unk Labels (various) lbm unk unk Deluxe Paint Bitmap Graphic lbo unk unk dBase IV Ordered Labels lbr unk unk Compressed Archive File lbs unk unk Omnis Studio Application File lbt unk unk Foxpro Label Memo lbx unk unk Foxpro Label lcd unk unk CDspace CD Emulator lcf unk unk Linker Control File lch unk unk PagePath Technologies LAUNCH! File lck unk unk MS Frontpage-related File lcl unk unk FTP Software Data lcn unk unk WordPerfect Dictionary File lcs unk unk ACT! History File lcw unk unk Lucid 3-D Spreadsheet ld unk unk Telix Long Distance Codes ld1 unk unk dBase Overlay File ldb unk unk MS Access Lock File ldd unk unk Laser Dispatch Data ldf unk unk LuraDocument File ldl unk unk Corel Paradox Delivered Library lds unk unk Laser Dispatch Script leg unk unk Legacy Graphic Format lep unk unk Label and Envelope Designer Plus 2000 les unk unk Learn Lesson File let unk unk Letter lev unk unk Worms Armageddon Map lex unk unk Lexicon (dictionary file) lfa unk unk LifeForm File lfl unk unk LucasFilm Library lfm unk unk LifeForm File lfp unk unk LifeForm File lfq unk unk LeechFTP Queue File lft unk unk Chiwriter Laser Printer Font lg unk unk Logo Procedure Definition lgc unk unk Program Use Log File (for Windows Program Use Optimiz lgf unk unk legal Eagle Text File lgo unk unk SuperFax Header/Footer Logo lgp unk unk Logotron SuperLogo File lgt unk unk Urban Chaos Game File lha unk unk Compressed Archive File (LZH) lhs unk unk Literate Haskell Source File lhw unk unk Compressed Amiga Archive File lhz unk unk LHA Compressed Archive File lib unk unk Program Library (diverse programmers' languages) lic unk unk License File (various Shareware) lid unk unk WinDVD File lif unk unk Compressed Archive File lim unk unk Limit Compressed Archive lin unk unk AutoCAD Line Art lis unk unk VAX Program Listing lit unk unk MS Reader EBook File lix unk unk Logos Book File lj unk unk Text File for HP LJ II Printer lko unk unk MS Outlook Express Linked Object ll3 unk unk LapLink III Document File llc unk unk LapLink Saved Connection File llx unk unk Laplink Exchange Agent lm8 unk unk Picture File lmd unk unk Tune Smithy List of Modes for a Musical Scale lnb unk unk Logomanager File lnd unk unk 3D Landscape Data lnk unk unk Linker File lns unk unk LinkStash Bookmark File lod unk unk Load File (various) log unk unk Log File (many different programs) lok unk unk FileWrangler/ZipWrangler/SecurDesk! Encrypted Archive lp unk unk LP88 Linear Programming for the IBM-PC File lpa unk unk LPA-View Laser Particle Analyser Test Analysis Softwa lpb unk unk LP88 Linear Programming for the IBM-PC File lpd unk unk Helix Nuts and Bolts File (Helix Software now part of lpi unk unk Live Pictures lqf unk unk Leech FTP Save Queue File lqt unk unk Winamp File lrc unk unk Intel Video Phone File lrf unk unk MS C/C++ Linker Response File lrm unk unk Microsoft Encarta Class Server Learning Resource lrs unk unk WordPerfect Language Resource File ls unk unk Lightscape Solution File lsc unk unk Tune Smithy List of Muscial Scales lsf unk unk Streaming Audio/Video File lsl unk unk Corel Paradox Saved Library lsp unk unk LISP Program File lss unk unk Legato Spreadsheet lst unk unk Listing or List (e.g., packing list) lsx unk unk Streaming Audio/Video Shortcut ltg unk unk Lasertank Bitmap Graphics ltm unk unk Lotus Form ltr unk unk Letter lu unk unk ThoughtWing Library Unit File lvl unk unk Parallax Miner Descent/D2 Level Extension lvp unk unk Lucent Voice Player (Intuity Audix Multimedia Messagi lwd unk unk LotusWorks Text Document lwf unk unk LuraWave-compressed Graphic File lwo unk unk NewTek Lightwave® Object lwp unk unk Lotus Wordpro 96/97 File lws unk unk NewTek Lightwave® Object Layout lwv unk unk MS Linguistically Enhanced Sound File lyr unk unk DataCAD Layer File lyt unk unk TurboTax Log File lzd unk unk Binary Difference File lzh unk unk Compressed Archive File lzs unk unk Compressed Archive File lzw unk unk Compressed Amiga Archive File lzx unk unk Compressed File m unk unk Matlab Function m?? unk unk Ingres Modify Table/Index File (?? = Hex 00 to FF) m11 unk unk MASS11 Text File m18 unk unk Accolade Golf Course File m1v unk unk MPEG File m2v unk unk MPEG-2 File m3 unk unk Modula 3 Program File m3a unk unk MPEG Archive Enhanced .M3U Playlist File m3d unk unk 3D Animations Macro m3u unk unk MPEG URL m4 unk unk UNIX M4 Preprocessor File m8 unk unk Heretic II Game File ma3 unk unk Harvard Macro (Harvard Graphics taken over by Serif) mac unk unk MacPaint Bitmap Graphic mad unk unk MS Access Module Shortcut maf unk unk MS Access Form Shortcut mag unk unk MPS Magro Paint System Graphic mai unk unk VAX Mail mak unk unk Make File (compiler project file) mam unk unk MS Access Macro Shortcut man unk unk Manual map unk unk Image maq unk unk MS Access Query Shortcut mar unk unk MS Access Report Shortcut mas unk unk Focus Master Data Definition mat unk unk Sound File mav unk unk MS Access View Shortcut maw unk unk MS Access Data Access Page max unk unk Kinetix's 3D Studio MAX Scene maz unk unk Hover Maze Data mb unk unk Paradox Memo Holder mb1 unk unk Apogee Monster Bash Data File mbd unk unk Multimedia Builder MP3 Authoring File mbx unk unk Mailbox Message File (Outlook v1-4 or Eudora) mcc unk unk Mathcad Configuration mcd unk unk Mathcad Document mcf unk unk Mathcad Font mci unk unk Media Control Interface Command Set mcl unk unk Multimedia Manager Collection File mcp unk unk Mathcad Printer Driver mcr unk unk DataCAD Keyboard Macro File mcs unk unk MathCAD Format File mcw unk unk MacWrite II Macintosh Text File mcx unk unk Graphic File md unk unk Compressed Archive File mda unk unk MS Access Add-in mdb unk unk MS Access Database mde unk unk MS Access Database File mdf unk unk Menu Definition File mdl unk unk Digitrakker Music Module (by n-FaCToR) mdm unk unk Telix Modem Definition mdn unk unk MS Access Blank Database Template mdp unk unk MS Developer Studio Project mdt unk unk MS Access Add-in Data mdw unk unk MS Access Workgroup Information mdx unk unk dBase IV Multiple Index mdz unk unk MS Access Wizard Template me unk unk Information (e.g., READ.ME) meb unk unk WordPerfect Macro Editor Bottom Overflow File med unk unk WordPerfect Macro Editor Delete Save mem unk unk WordPerfect Macro Editor Macro men unk unk Menu meq unk unk WordPerfect Macro Editor Print Queue mer unk unk WordPerfect Macro Editor Resident Area mes unk unk Message File met unk unk WordPerfect Macro Editor Top Overflow File meu unk unk DOS Shell Menus mex unk unk Matlab Executable Command mez unk unk RealArcade Game Information mf unk unk MetaFont Text File mfa unk unk MS Site Server 3.0 Report Definition mff unk unk MIDI File Format mgc unk unk MGCSoft Equation Editor File mgf unk unk Image File mgm unk unk MGCSoft Equation Editor Macro File mgx unk unk Micrografx Picture Publisher Clipart mh unk unk Graphic File mhg unk unk Multimedia File mht unk unk MS MHTML Document (Archived Web Page) mi unk unk Miscellaneous mib unk unk Management Information Base File (SNMP Management Pro mic unk unk MS Image Composer File mid unk unk MIDI File mif unk unk MIDI Instrument mii unk unk MicroStat II Data File mil unk unk Group 4 Fax File mim unk unk Multi-Purpose Internet Mail Extensions (MIME) File mio unk unk mexReader Multimedia File mix unk unk Power C Object File mk unk unk Make File mke unk unk Make File mki unk unk Picture File mks unk unk Tact Data ml3 unk unk Milestones 3.x Project mlb unk unk Macro Library mli unk unk Encyclopedia Media List mlk unk unk Sierra Mastercook File mls unk unk Miles Sound Tools Compressed DLS mm unk unk Macro Mania Macro mmb unk unk MultiMedia Builder mmc unk unk Media Catalog mme unk unk Multi-Purpose Internet Mail Extensions (MIME) File mmf unk unk Meal Master Format mmi unk unk Memo Open Client mml unk unk Mail Meta Language mmm unk unk Animation MS Multimedia Movie mmo unk unk RapidFile Memo Writer mmp unk unk MindManager Player Play List File mms unk unk Miles Sound Tools (Midi+DLS/MLS) mmw unk unk Microsoft Media Content mmx unk unk Command & Conquer Red Alert 2 Map File mmz unk unk MusicMatch Theme File mn2 unk unk Descent2 Mission File mn3 unk unk Descent3 Mission File mn4 unk unk Microsoft Money Database (older version) mnd unk unk AutoCAD Menu Program File mng unk unk Animation Shop Animation mnt unk unk Foxpro Menu Memo mnu unk unk Menu File (various) mnw unk unk Menu File (various) mnx unk unk AutoCAD Compiled Menu File mny unk unk MS Money File mob unk unk Device Definitions mod unk unk Music File (various) model unk unk Catia File mol unk unk MDL MOL mon unk unk ReadMail Monitor mop unk unk MOPAC Input mov unk unk QuickTime Video Clip moz unk unk Netscape Temp File mp unk unk Multiplan File mpc unk unk MS Project Calender mpd unk unk Mini Port Driver mpdex unk unk MPdex MP3 Database Utility mpe unk unk MPEG Movie Clip mpe.exe unk unk MP3 Digital Player Wrapper mpeg unk unk MPEG Movie mpf unk unk Microsoft Design Gallery mpg unk unk MPEG Animation mpga unk unk Mpeg-1 Layer3 Audio Stream mpj unk unk RoboHTML Project mpk unk unk Augmented MS-Project File mpm unk unk WordPerfect MathPlan Macro mpo unk unk Augmented MS-Project File mpp unk unk MS Project File mpq unk unk Blizzard Game Data File mpr unk unk Foxpro Program mps unk unk Multimedia File mpt unk unk MS Project Template File mpv unk unk MS Project View mpx unk unk Foxpro Compiler Menu mrb unk unk MS C++ Multiple Resolution Bitmap Graphic mrc unk unk MIRC Script File mri unk unk MRI Scan mrk unk unk Informative Graphics Markup File mrs unk unk WordPerfect Macro Resource File ms unk unk Checksum File for Anti-Virus msa unk unk Magic Shadow Archive msc unk unk Microsoft Common Console Document msg unk unk Program Message msh unk unk MASH (The Microsoft Agent Scripting Helper) msi unk unk Windows Installer File msk unk unk Autodesk Mask File msn unk unk MS Network Document msp unk unk MS Paint Graphic File mss unk unk Manuscript Text File (various) mst unk unk Minispecification msw unk unk Word Text File mswmm unk unk Microsoft Windows Movie Maker Project (Part of WinME msv unk unk Sony Memory Stick Format msw unk unk MS Word Text File msx unk unk Compressed CP/M File Archive mth unk unk Derive Math File mtk unk unk Matrikon Software License File mtm unk unk Sound File mtv unk unk Picture File mtw unk unk Minitab Data File mu unk unk Quattro Menu muf unk unk ProtoMuck Multi User Forth Program mul unk unk Ultima Online Game mup unk unk Music Publisher File mus unk unk MusicTime Audio File mvb unk unk Database mve unk unk Interplay Video File mvf unk unk Movie Stop Frame File mvi unk unk AutoCAD Movie Command File mvw unk unk Saber LAN Log File mwf unk unk ProMotion Animation mwp unk unk Lotus Wordpro 97 Smartmaster File mws unk unk Maple Spreadsheet mxd unk unk GIS Project File (map information) mxm unk unk MS Project/Outlook Team Assign Task mxp unk unk Macromedia Extension Manager mxt unk unk MS C myp unk unk Make Your Point Presentation mys unk unk Myst Saved Game mz unk unk MOZART Music Document mzt unk unk MOZART Template File n1e unk unk OM2 OMALI NENA Encrypted Document Version 1 n2e unk unk OM2 OMALI NENA Encrypted Document Version 2 n3e unk unk OM2 OMALI NENA Encrypted Document Version 3 n4e unk unk OM2 OMALI NENA Encrypted Document Version 4 n64 unk unk Nintento 64® Emulation ROM Image nab unk unk Novell Groupwise Address Book nad unk unk Noder File (Polish) nan unk unk Nanoscope File nap unk unk NAP Metafile Vector Image nav unk unk MSN Application Extension nb unk unk Nota Bene Text File nc unk unk Graphics File ncb unk unk MS Developer Studio File ncc unk unk Computer Numeric Control File ncd unk unk Norton Change Directory ncf unk unk Netware Command File ndb unk unk Intellicom Network Database ndl unk unk Lotus Notes ndo unk unk 3D Low-polygon Modeler ndx unk unk Index (usually dBase compatible) ne1 unk unk OM2 OMALI NENA Document Version 1 ne2 unk unk OM2 OMALI NENA Document Version 2 ne3 unk unk OM2 OMALI NENA Document Version 3 ne4 unk unk OM2 OMALI NENA Document Version 4 neb unk unk Nortec H.E.L.P. (humidity calculations) ned unk unk MSN Application Extension neo unk unk Atari Raster Graphics nes unk unk Nintendo Entertainment System ROM Image net unk unk Network Configuration new unk unk New Information (e.g., WHATS.NEW) nff unk unk Image File nfo unk unk Folio Infobase ng unk unk Norton Guide Online Documentation nhf unk unk Nero HFS-CD Compilation nil unk unk Norton Icon Library File nif unk unk NetImmerse File Format njx unk unk NJStar Document nlb unk unk Oracle 7 Data nlm unk unk Netware Loadable Module nls unk unk Code Page National Language Support nlu unk unk Norton Live Update E-Mail Trigger File nlx unk unk FormWorx Form nms unk unk Numega Softice's Loader File (includes debugging info nod unk unk Noder File (Polish) nol unk unk Nokia Operator Logo not unk unk Notes now unk unk Text File (e.g., README.NOW) np unk unk Nokia Planner Project Schedule npd unk unk Noder File (Polish) npi unk unk dBASE Application Generator Source npm unk unk Nokia Picture Message nra unk unk Nero Audio-CD Compilation nrb unk unk Nero CD-ROM Boot Compilation nrg unk unk Norton Registration Entries nrh unk unk Nero Hybrid CD-ROM Compilation nri unk unk Nero ISO CD-ROM Compilation nrm unk unk Nero Mixed-Mode-CD Compilation nrt unk unk Nokia RingTone nru unk unk Nero UDF/ISO CD-ROM Compilation nrv unk unk Nero Video-CD Compilation ns2 unk unk Lotus Notes 2 Database ns3 unk unk Lotus Notes ns4 unk unk Lotus Notes Database nsc unk unk Noder File (Polish) nsf unk unk Lotus Notes Database nsg unk unk Lotus Notes nsh unk unk Lotus Notes nsi unk unk Nullsoft Install System Script nso unk unk NetStudio Easy Web Graphics File nst unk unk Audio File nsx unk unk HiPer-Six Index File nt unk unk Windows NT Startup File ntf unk unk Lotus Notes Database Template ntp unk unk Neato CD Labels ntr unk unk Netrun Executable Text File nts unk unk Norton Tutorial ntx unk unk Clipper Index nuf unk unk Procomm Plus New User Message nw unk unk NoteWorthy 2 File nwc unk unk Noteworthy Composer Song File nws unk unk MS Outlook Express News File nxt unk unk NeXT Sound File o unk unk Object File (various) o01 unk unk Typhoon Voice File oab unk unk MS Outlook Address Book oaz unk unk OAZ Fax File ob unk unk IMB LinkWay Object File obd unk unk MS Office Binder obe unk unk MS Out Of Box Experience obj unk unk Relocatable Object Code (various) obr unk unk Borland C++ Object Browser Data File obs unk unk ObjectScript Script obv unk unk ObjectScript Visual Interface obz unk unk MS Office Binder Wizard oca unk unk Control Typelib Cache ocf unk unk Object Craft File ocr unk unk FAXGrapper FAX Text File ocx unk unk Object Linking and Embedding (OLE) Control Extension od1 unk unk Omnis5 Database File (also .OD2, .OD3, etc.) odb unk unk OpenDocument Database odc unk unk OpenDocument Chart ode unk unk MS Office Object Data Embedding File odf unk unk Open Document Interchange (or OpenDocument Formula) odg unk unk OpenDocument Graphic odl unk unk Visual C++ Type Library Source odm unk unk OpenDocument Master Document odp unk unk OpenDocument Presentations ods unk unk MS Outlook Express Mailbox (or OpenDocument Spreadsheet) odt unk unk OpenDocument Document ofc unk unk Open Financial Connectivity File ofd unk unk ObjectView Form Defintion off unk unk Vector Graphic (Object File Format) ofm unk unk Adobe Font ofn unk unk MS Office FileNew File oft unk unk MS Outlook Item Template ofx unk unk Open Financial Exchange File ogg unk unk Ogg Vorbis Codec Compressed WAV File ogs unk unk Origin File oif unk unk QuickBase Web-sharable Database Interchange File okt unk unk Oktalyzer Tracker Module olb unk unk Object Library ole unk unk Object Linking and Embedding (OLE) Object oli unk unk Olivetti Text File omf unk unk Image File ond unk unk Lotus Notes-related File (unverified) onx unk unk Onyx Graphics Postershop File oom unk unk Shroom Swap File opc unk unk Beta 44 Job File opj unk unk OrCad Project File opl unk unk Psion Organiser Programming Language Source File opn unk unk Exact Active Options opo unk unk OPL Output Executable File opt unk unk QEMM Optimize opx unk unk MS Orgchart Organization Diagram oqy unk unk MS Excel OLAP Query File or2 unk unk Lotus Organiser 2 File or3 unk unk Lotus Organiser 97 File ora unk unk Oracle 7 Configuration orc unk unk MIDI File org unk unk Lotus Organiser File ori unk unk Original oss unk unk MS Office Saved Search ost unk unk MS Exchange/Outlook Offline File otb unk unk Nokia Phone Graphics Editor otg unk unk OpenDocument Graphic Template oth unk unk OpenDocument HTML Document Template otl unk unk Super NoteTab Template File otp unk unk Origin File (or OpenDocument Presentation Template) ots unk unk OtsJuke Sound File (or OpenDocument Spreadsheet Template) ott unk unk OpenDocument Document Template otx unk unk Olivetti Olitext Plus File out unk unk Outlines or Output File (various) ov1 unk unk Program File - Overlay ov2 unk unk Program File - Overlay ov3 unk unk Program File - Overlay ovd unk unk ObjectVision Datafile ove unk unk Cakewalk Overture Score ovl unk unk Program File - Overlay ovr unk unk Program File - Overlay ozm unk unk Sharp Organizer Memo Bank ozp unk unk Sharp Organizer Telephone Bank p unk unk PASCAL Program File p01 unk unk IsoBuster File p10 unk unk Tektronix Plot 10 Drawing p16 unk unk ProTracker Studio Music p22 unk unk Patch22 Patch File p65 unk unk Pagemaker 6.5 File p7c unk unk Digital ID File p7m unk unk PKCS #7 MIME Message (see Section 3.2 in RFC 2311) p7r unk unk Certificate Request Response p7s unk unk PKCS #7 Signature pa unk unk Print Artist pa1 unk unk PageAhead Worktable pab unk unk MS Personal Address Book pac unk unk SB Studio II Package pad unk unk Telemate Keypad Definition paf unk unk PARIS Audio Format pag unk unk Property Page File pak unk unk Compressed Archive File pal unk unk Color Palette pan unk unk Chromeleon Control Panel pap unk unk Tree Professional Palm Creator Image File par unk unk Fractint Parameter File pas unk unk Pascal Source Code pat unk unk AutoCAD Hatch Pattern pb unk unk WinFax Pro Phone Book pb1 unk unk First Publisher Document pba unk unk Powerbasic Source Code pbd unk unk PowerBuilder Dynamic Library pbf unk unk Turtle Beach Pinnacle Bank File pbi unk unk Profiler Binary Input pbk unk unk MS Phonebook pbl unk unk PowerBuilder Library pbm unk unk UNIX Portable Bit Map Graphic pbr unk unk PowerBuilder Resource pbo unk unk Profiler Binary Output pbt unk unk Profiler Binary Table pbx unk unk MS Outlook Express Message Folder pc unk unk PC-specific Text File pc3 unk unk Harvard Custom Palette (Harvard Graphics taken over b pc5 unk unk Rockwell Software Logix 5 File pc8 unk unk ASCII Text IBM-8 pcb unk unk Protel Technology Advanced PCB Design pcc unk unk PC Painbrush Image File pcd unk unk Photo-CD Image pce unk unk Eudora Mailbox Name Map pcf unk unk Profiler Command File pch unk unk Patch File pcj unk unk IBM Linkaway-Live Multimedia Tool Graphics pck unk unk Turbo Pascal Pick File pcl unk unk HP Printer Control Language pcm unk unk Sound File pcp unk unk Symantec Live Update Pro pcs unk unk PICS Animation pct unk unk Bitmap Graphic (Apple PICT Format Usually) pcw unk unk PC Write Text File pcx unk unk PC Paintbrush Bitmap Graphic pda unk unk Bitmap Graphic pdb unk unk Protein Data Base file pdd unk unk Adobe PhotoDeluxe Image pdg unk unk PrintShop Deluxe File pdi unk unk MS Powerpoint File pdl unk unk Borland C++ Project Description Language pdm unk unk Sybase Power Designer File pdn unk unk Plan de Negocio pdq unk unk Patton & Patton Flowcharting PDQ Lite File pdr unk unk Port or Printer Driver pds unk unk PDS Graphic pdt unk unk ProCite Primary Database pdv unk unk Paintbrush Printer Driver pdw unk unk Professional Draw Document pdx unk unk Paradox Files peb unk unk WordPerfect Program Editor Bottom Overflow File ped unk unk WordPerfect Program Editor Delete Save pem unk unk WordPerfect Program Editor Macro peq unk unk WordPerfect Program Editor Print Queue File per unk unk WordPerfect Program Editor Resident Area pes unk unk WordPerfect Program Editor Work Space File pet unk unk WordPerfect Program Editor Top Overflow File pf unk unk Monitor or Printer Profile File pf? unk unk SmartWare Project Source File (requires login) pfa unk unk Outline Font (ASCII) pfb unk unk Outline Font (Binary) pfc unk unk PF Component pfe unk unk Programmers File Editor pfk unk unk XTree Programmable Function Keys pfm unk unk Printer Font Metrics pfp unk unk Panorama Factory Project File pfr unk unk PaintShop Pro File pfs unk unk PFS:File Database / PFS:Write Text pft unk unk Chiwriter Printer Font pg unk unk IBM LinkWay Cut/Paste File pgd unk unk Pretty Good Privacy Virtual Disk File pgi unk unk PGraph Library Printer Device Driver pgl unk unk Graphics (Plotter) pgm unk unk Portable Graymap Graphic pgn unk unk Portable Game Notation (Used for chess) pgp unk unk Program Parameter pgs unk unk Man4DOS Manual Page pgx unk unk Binary Property Page File ph unk unk PERL Header phd unk unk PC Help Desk File phn unk unk UltraFax/QmodemPro Phone List pho unk unk Metz Phone Phone List php unk unk PHP Script phr unk unk NoExcuse Phrase Checker pht unk unk Partial Hypertext File (HTML fragments compiled into pic unk unk PC Paint Bitmap Graphic pif unk unk Windows Program Information File pig unk unk Lucas Arts Dark Forces WAD File pim unk unk PixMaker Project File pin unk unk Pushpin Set pit unk unk Macintosh Compressed Archive File pix unk unk PrintMaster Graphic File pj unk unk MKS Source Integrity File pjl unk unk ProCite Term Lists and Journal Title Lists pjt unk unk Foxpro Project Memo pjx unk unk Foxpro Project pk unk unk CoolEdit96 Graphical Waveform pk3 unk unk Quake 3 Arena File (Stores maps, etc. and is renamed pka unk unk Compressed Archive File pkb unk unk QuickPOS (Point-Of-Sale) Keyboard Layout File pkg unk unk MS Developer Studio Application Extension pko unk unk PublicKey Security Object pkr unk unk PGP Public Keyring pkt unk unk Fidonet Packet pl unk unk Harvard Palette (Harvard Graphics taken over by Serif pl1 unk unk 3D Home Architect Room Plan pl3 unk unk Harvard Chart Palette (Harvard Graphics taken over by plb unk unk Foxpro Library plb unk unk LogoShow Screensaver plc unk unk Lotus Add-in pld unk unk PLD2 Source File (program due out 1Q2001) plg unk unk REND386/AVRIL File pli unk unk Oracle 7 Data Description pll unk unk Clipper Prelinked Library plm unk unk DisorderTracker2 Module pln unk unk WordPerfect Spreadsheet File plr unk unk Descent Pilot File pls unk unk DisorderTracker2 Sample plt unk unk AutoCAD HPGL Vector Graphic Plotter File ply unk unk Autodesk Polygon pm unk unk Presentation Manager Graphic pm3 unk unk PageMaker 3 Document pm4 unk unk PageMaker 4 Document pm5 unk unk PageMaker 5 Document pm6 unk unk PageMaker 6 Document pmc unk unk Windows Performance Monitor Settings pme unk unk Plazmic Media Engine File pmg unk unk Pagemaker Group File (EPS graphic) pmi unk unk Pegasus Mail Message Folder Index File pml unk unk NT4 Performance Monitor Log File pmm unk unk Pegasus Mail Mail Message Folder pmo unk unk Print Master Gold Text pmp unk unk Acdsee 3.0 Image (old compressed Sony format) pn3 unk unk Harvard Printer Driver (Harvard Graphics taken over b pnd unk unk DATAIR Pension System Pending File png unk unk Portable (Public) Network Graphic (proposed GIF repla pnm unk unk PBM Portable Any Map Graphic pnt unk unk MacPaint File poc unk unk PocoScript File pog unk unk Descent2 File poh unk unk Optimized Geoworks .GOH File pol unk unk Music File pop unk unk dBase Popup Menu pos unk unk ProCite Output Styles pot unk unk PowerPoint Template pov unk unk Persistence of Vision Ray-tracer pow unk unk PowerChords Chord Chart pp unk unk Compressed Amiga Archive File pp4 unk unk Picture Publisher pp5 unk unk Picture Publisher ppa unk unk PowerPoint Add-in ppb unk unk WordPerfect Print Preview Button Bar ppd unk unk PostScript Printer Description ppf unk unk Turtle Beach Pinnacle Program File ppi unk unk MS PowerPoint Graphics File ppl unk unk Harvard Polaroid Palette Plus ColorKey Driver (Harvar ppm unk unk PBM Portable Pixelmap Graphic ppo unk unk Clipper Preprocessor Output ppp unk unk Serif PagePlus Publication ppx unk unk Serif PagePlus Publication ppz unk unk PowerPoint Packaged Presentation pq unk unk Adobe Pagemaker Default Printer Style pqi unk unk Power Quest Drive Imaging Software pqx unk unk Power Quest DRive Image Index pr2 unk unk Persuasion Presentation pr3 unk unk dBase IV PostScript Printer Driver prc unk unk Palmpilot Resource File prd unk unk Printer Driver pre unk unk Freelance Presentation prf unk unk Preferences File (various) prg unk unk Program File (various) pri unk unk LocoScript Printer Definitions prj unk unk Project File (various) prk unk unk Tony Hawk's Pro Skater 2 Saved Park prm unk unk Parameter File prn unk unk Printer Text File (various) pro unk unk Profile prs unk unk Printer Resource File prt unk unk Printer Configuration (various) prv unk unk PsiMail Internet Provider Template prx unk unk Foxpro Compiler Program prz unk unk Freelance Graphics 97 File ps unk unk PostScript psb unk unk Pinnacle Sound Bank psd unk unk Photoshop Format pse unk unk IBM Printer Page Segment Bitmap psf unk unk Chiwriter PostScript Printer Font psi unk unk PSION A-law Audio psm unk unk Turbo Pascal Symbol Table psp unk unk PaintShop Pro Image psr unk unk Project Scheduler Resource File pst unk unk MS Outlook Personal Folder File psx unk unk Dirty Little Helper Chat File psy unk unk PLD2 System File (program due out 1Q2001) pt3 unk unk Harvard Device Driver (Harvard Graphics taken over by pt4 unk unk PageMaker Template pt5 unk unk PageMaker Template ptb unk unk Power Tab Guitar Tablature Editor ptm unk unk PolyTracker Music Module ptr unk unk QMail Qwk Reader Pointer pub unk unk PGP Public Key Ring puf unk unk Puffer Encrypted File put unk unk Instalit Script pva unk unk Hauppauge DVB-Software pvl unk unk Instalit Library pvt unk unk Local Fidonet Pointlist pw unk unk Professional Write Text File pwa unk unk Password Agent File pwd unk unk Pocket Word Document pwf unk unk ProCite Workforms pwl unk unk Password List pwp unk unk Photoworks Image File pwz unk unk PowerPoint Wizard px unk unk Primary Index pxa unk unk Pixia Color Painter File pxe unk unk Partial XML Envelope pxl unk unk Pocket Excel Spreadsheet py unk unk PYTHON Script pyc unk unk Compiler PYTHON Script pzd unk unk Pizazz Plus Defaults pzm unk unk GraphPad Prism pzo unk unk Pizazz Plus Overlay pzp unk unk Pizazz Plus Palette pzs unk unk Pizazz Plus Settings pzt unk unk Pizazz Plus Transfer File pzx unk unk Pizazz Plus Swap File pzz unk unk Curious Labs Compressed Poser File q9q unk unk BladePro Graphic Plugin File qad unk unk PF QuickArt Document qag unk unk Norton Desktop Quick Access Group qap unk unk Omnis Quartz Application File qax unk unk ExpressTracker Data File qbd unk unk Keyboard Layout qbe unk unk Example Query (Query By Example) qbl unk unk Business Lawyer Document qbo unk unk dBase IV Ordered Query qbs unk unk MS Quick Basic Program File qbw unk unk QuickBooks for Windows File qcp unk unk Qualcomm PureVoice File qcs unk unk CADQC Standard File qd? unk unk Omnis Quartz Data File Segment (can be 0 to 9) qdate unk unk Quicktime Related qdf unk unk Quicken Data File qdi unk unk Dictionary qdk unk unk Quarterdeck QEMM File qdt unk unk QuickBooks UK Accountancy Data File qdv unk unk Steve Blackstock Giffer Graphics File qef unk unk Excel Query qel unk unk Quicken Electronic Library File qep unk unk IRMA Wordstation for Windows qfl unk unk Family Lawyer Document qfx unk unk Quick Link Fax qif unk unk Quicken Interchange Format qlb unk unk MS C Quick Library qlc unk unk PostScript Help File qlp unk unk QuickLink Printer Driver qm unk unk Quality Motion File qm4 unk unk QMail Mail Door Option or Services File qmt unk unk Quicken Memorized List qnt unk unk Chromeleon Quantification Method qnx unk unk Quicken Indexes qpr unk unk OS/2 Printer Queue Driver qpw unk unk Quattro Pro Project File qpx unk unk Foxpro Ordered Query qqt unk unk Quick Qard Technology Qardware Definition File qrp unk unk Centura Report Builder File qrs unk unk WordPerfect Equation Editor qrt unk unk QRT Ray Tracing Graphic qry unk unk dBase IV Query qsc unk unk Pxyl Visuals Chart qsd unk unk Quicken Datafile qst unk unk Quake Spy Tab File qts unk unk Macintosh PICT Image qtp unk unk QuickTime Preferences que unk unk Task Scheduler Queue Object quicken unk unk Quicken Spreadsheet qw unk unk Symantec Q&A Write Program File qwb unk unk MS Money Quotes WriteBack Import File qwk unk unk QWK Reader Message File qwp unk unk Quiptics Puzzle File qxd unk unk Quark Xpress File qxl unk unk Quark Xpress Element Library qxt unk unk Quark Xpress Template File r unk unk Pegasus Mail Resource File r?? unk unk RAR Compressed File (?? can be 01 to 99) r33 unk unk Train Simulator Game File r8 unk unk RAW Graphic File r8l unk unk LaserJet Landscape Font r8p unk unk LaserJet Portrait Font ra unk unk RealMedia File ram unk unk RealMedia Metafile rar unk unk RAR Compressed Archive ras unk unk Sun Raster Graphic rat unk unk Rating System File raw unk unk RAW RGB 24-bit Graphic rax unk unk Image File rb unk unk RocketEdition File rb1 unk unk R:Base Data File rb2 unk unk R:Base Data File rb3 unk unk R:Base Data File rbf unk unk R:Base Data File rbh unk unk RoboHelp Configuration rbm unk unk Propellerhead ReBirth Modulation v2.0 rc unk unk Borland C++ Resource Compiler Script File rcd unk unk PC Anywhere Recorded Session File rcg unk unk Netscape Newsgroup File rcp unk unk Recomposer's MIDI Sequencer Music File rd1 unk unk Descent1 Registered Level File rd2 unk unk DATAIR Retirement Document System Custom Text File rd3 unk unk Ray Dream Designer Graphics rd4 unk unk Ray Dream Designer Graphics rd5 unk unk Ray Dream Designer Graphics rdb unk unk TrueVector Rules Database rdf unk unk Resource Description Framework File rdi unk unk Device-independent Bitmap rdl unk unk Descent Registered Level rds unk unk Ray Dream Studio File rdx unk unk Reflex Data File rec unk unk Sprint Record File red unk unk Calrion Modula-2 Path Data ref unk unk Cross Reference reg unk unk Registration Data (various) reget unk unk ReGet Deluxe Downloader rem unk unk Annotation (remark) rep unk unk Text Document req unk unk Request res unk unk Resource File (various programs) rev unk unk Geoworks Revision File rex unk unk REXX Program File rez unk unk Resource File rf unk unk Sun Raster Graphic rf? unk unk SmartWare Compiled Project File (requires login) rfb unk unk RoboForm rfd unk unk RecogniFORM Form Definition rff unk unk Maggi Graphic File rfg unk unk RFG Integrator System Database rfh unk unk RFG Integrator Householding Database rft unk unk IBM DisplayWrite Revisable Format Text rgb unk unk Picture File rgi unk unk RealArcade Game Installer (not secured) rgp unk unk RealArcade Game Package rgs unk unk RealArcade Game Installer (secured) rgx unk unk ReaGeniX Code Generator Symbol Table rh unk unk Borland C++ Resource Header File ri unk unk Lotus File ria unk unk Alpharel Group IV Raster Graphics File rib unk unk 3D Reality Renderman Format Graphics ric unk unk Ricoh FAX Graphic File rif unk unk Fractal Painter Bitmap rip unk unk Remote Imaging Protocol rix unk unk ColorRIX VGA Paint File rl1 unk unk Descent1 Registered Level File rl2 unk unk Descent2 Registered Level rl4 unk unk Bitmap Graphics rl8 unk unk Bitmap Graphics rla unk unk Advanced Visualizer File rlb unk unk Harvard Graphic File (Harvard Graphics taken over by rlc unk unk Image Systems CAD Overlay rle unk unk Graphic (Run Length Encoded) rlz unk unk Realizer Source Code rm unk unk RealMedia File rmd unk unk RegMaid Document rmf unk unk Rich Map Format (3D Games) rmi unk unk MIDI File rmk unk unk Clipper RMake Make File rmm unk unk RealPlayer File rmr unk unk Resume Maker File rmx unk unk RealJukeBox MP3 File rn unk unk Nota Bene XPL Program rnd unk unk AutoCAD Rendering Slide rng unk unk Nokia Ringtone File rnl unk unk GTX Runlength Raster Graphics rno unk unk VAX Runoff File rnx unk unk RealPlayer File rol unk unk Adlib Music File rom unk unk Nintento 64® Emulation ROM Image rov unk unk Rescue Rover Data rp unk unk RealPix Clip rpb unk unk Automotive Diagnostic File rpc unk unk Rich Photorealistic Content (ArchVision, Inc.) rpd unk unk Rapidfile Database rpl unk unk Replica Text File rpm unk unk RedHat Package Manager (Linux) rpt unk unk Report (various) rqy unk unk MS Excel OLE DB Query File rr unk unk Railroad Tycoon rrs unk unk Road Rash Save File rs unk unk Amiga Reassembler Resource Data File rs_ unk unk Macintosh File Resource Fork rsb unk unk Rogue Spear Bitmap rsc unk unk Resource File rsf unk unk Mediafour MacDrive Macintosh Resource Fork rsl unk unk PC Tools Resources Library rsn unk unk Propellerhead Reason Audio File rsp unk unk Responce Text File rss unk unk Rockwell Logix 500 SLC-5 Software rst unk unk ANSYS Results rt unk unk RealText Clip rta unk unk RoboHelp Configuration rtf unk unk Rich Text Format File (also used as Windows Help file rth unk unk ANSYS Results rtk unk unk RoboHelp Configuration rtl unk unk Text File rtm unk unk Real Tracker Music Module rtp unk unk TurboTax Update File rts unk unk RoboHelp Configuration rtx unk unk Reliacast Audience Manager Turnstile rul unk unk InstallShield run unk unk PC Tools Script Tools Program rv unk unk RealVideo Clip rvp unk unk Microsoft Scan Configuration File rvw unk unk Review (may just be text file) rws unk unk Borland C++ Resource Workshop Data File rwx unk unk RenderWare Script rwz unk unk MS OutlookXP Internet Settings rx unk unk Reflex Database Driver rxd unk unk Reflex Database rxh unk unk Reflex Database Help File rxn unk unk MDL RXN rxr unk unk Reflex Database Report rxs unk unk Reflex Database Screen Driver s unk unk Assembler Source Code s01 unk unk WordPerfect Distribution File s02 unk unk WordPerfect Distribution File s03 unk unk WordPerfect Distribution File s28 unk unk Genesis or Sega32X Rom Image s2p unk unk Sonnet File s3i unk unk ScreamTracker v3 Instrument s3m unk unk ScreamTracker v3 Module sad unk unk Serveron Analyzer Data File saf unk unk MusicMatch Jukebox Secure Audio File sah unk unk SETI@Home Data File sal unk unk Soritec Data sam unk unk Ami Pro Text File san unk unk The Curse of Monkey Island Movie File sar unk unk SAR Compressed Archive File sat unk unk ACIS Solid Model (any ACIS-based CAD program) sb unk unk Audio File sbd unk unk Storyboard Editor Storyboard sbf unk unk Superbase 95 File sbi unk unk Sound Blaster Instrument File sbk unk unk Emu SoundFont v1.x Bank Files sbl unk unk Shockwave Flash Object sbp unk unk Superbase DML Program sbr unk unk Source Browser Support File sbt unk unk Superbase Record Notes sc unk unk Framework Screen Driver sc2 unk unk Sample Cell sc3 unk unk Harvard Screen Driver (Harvard Graphics taken over by sc4 unk unk RollerCoaster Tycoon Scenario sca unk unk SCA Datafile scb unk unk Scala InfoChannel Published Script scc unk unk Text File scd unk unk Graphic (SCODL Scan Conversion Object Description Lan sce unk unk SoftCuisine Data Exchange File scf unk unk Windows Explorer Command sch unk unk Schedule+ File sci unk unk ScanVec Inspire File scl unk unk SCALA Scale scm unk unk SchematicMaker (Topanga Software) File scn unk unk Compressed Screen format sco unk unk High Score (various) scp unk unk Script (various) scr unk unk RASMOL Script sct unk unk Foxpro Screen scv unk unk ScanVec CASmate File scx unk unk MS FoxPro Screen File scy unk unk ReaGeniX Security File sd unk unk Sound Designer I Audio sd2 unk unk Sound Designer II Flattened File sd7 unk unk Daktronics Venus 7000 Electronic Sign Schedule sda unk unk StarOffice Drawing sdb unk unk Simply Accounting File sdc unk unk StarOffice Spreadsheet sdd unk unk StarOffice Presentation sdf unk unk Standard Data Format sdi unk unk Fidonet Software Distribution Network Info sdk unk unk Roland S-series Floppy Disk Image sdl unk unk SmartDraw Library sdn unk unk Shell Archive sdr unk unk SmartDraw Drawing sds unk unk StarOffice Chart sdt unk unk SmartDraw Template sdv unk unk Semicolon Divided Values File sdw unk unk StarOffice Text sdx unk unk Midi Sample Dump Standard Files Compacted by SDX sdv unk unk Pinnacle Studio DV Video Editing Project se unk unk ScopeEdit Project File sea unk unk Macintosh Compressed Archive File sec unk unk Compressed Archive File sef unk unk Steganos Encrypted File seg unk unk Compressed File Segment sel unk unk PaintShop Pro Selection File seo unk unk ScopeEdit Object File sep unk unk TIFF Bitmap Separation seq unk unk Atari Animation File ses unk unk Digital Audio Editor File seu unk unk Serials 2000 Encrypted S2K Update sew unk unk Janome (New Home) Sewing Machine File sex unk unk Urban Chaos Game File sf unk unk Sound File sf2 unk unk Emu SoundFont v2.0 File sfd unk unk SoundStage Sound File Data sfe unk unk Split Files Shell Extension sff unk unk Fritz Fax-Print File sfi unk unk Ventura Printer Font sfl unk unk Ventura Printer Font sfn unk unk SPX Font sfp unk unk Ventura Printer Font sfr unk unk Sonic Foundry Sample Resource sfs unk unk StarOffice Frame sft unk unk Chiwriter Screen Font sfv unk unk QuickSFV/WinSFV Checksum File sfw unk unk Graphic File (Seattle Film Works) sfx unk unk Self-extracting Archive sg unk unk ABC Snap Graphics User File sg1 unk unk Stanford Graphics sgd unk unk SameGame Data File sgf unk unk Smart Game Format sgi unk unk Silicon Graphics IRIS Graphic File sgl unk unk StarOffice Master Document sgp unk unk Statgraphics Plus Statistics sgt unk unk Hitman Game Sound File sh unk unk UNIX shar Archive File sh3 unk unk Harvard Presentation (Harvard Graphics taken over by shb unk unk Corel Background File shg unk unk Hotspot Editor Hypergraphic shk unk unk Macintosh Compressed Archive File (could be Apple II shm unk unk WordPerfect Shell Macro shn unk unk Shorten Audio Compression File shp unk unk 3D Studio Shapes File shr unk unk UNIX shar Archive File shs unk unk Shell Scrap Object File shw unk unk Corel Presentation shx unk unk AutoCAD Shape Entities si unk unk SoftImage Image File sib unk unk Sibelius Music File sid unk unk Music File sif unk unk Windows NT Setup File sig unk unk Signature File sim unk unk Simulation (various) (e.g. Setup for Nascar4) sit unk unk StuffIt Compressed Archive File (Multiple platforms) siz unk unk Oracle 7 Configuration sjf unk unk Split Files Shell Extension ska unk unk PGP Secret Keyring skb unk unk QuickPOS (Point-Of-Sale) Standard Keyboard Layout Fil skc unk unk MDL Sketch skf unk unk Autosketch skl unk unk Authorware Resource skn unk unk FileWrangler/SecurDesk!/ImageForge Graphic Skin skr unk unk Microsoft ScriptIt sky unk unk ActiveSky Movie Clips for Palm OS sl unk unk S-Lang Program File slb unk unk AutoCAD Slide Library slc unk unk Telix Compiler SALT Script sld unk unk AutoCAD Slide sldasm unk unk Solidworks File slddrw unk unk Solidworks File slg unk unk Chromeleon Audit Trail sli unk unk MagiCorp Side Service Slide slk unk unk Data Exchange File (Symbolic Link) sll unk unk Sound File slm unk unk Microsoft Visual FoxPro slp unk unk Timeslips Data File slt unk unk Telix SALT Script Application sm unk unk Smalltalk Program File sm3 unk unk DataCAD Symbol File smc unk unk Super Nintendo Game-console ROM Image smd unk unk StarOffice Mail smf unk unk StarOffice Formula smi unk unk RealPlay SMIL File smk unk unk Smacker Compressed File smm unk unk Ami Pro Macro smp unk unk Sample or Samplevision Format sms unk unk MS Package Definition File (used now in place of .PDF smt unk unk HiPer-Six Memo File snd unk unk Sound Clip sng unk unk Midisoft Studio MIDI Song snm unk unk Netscape Mail sno unk unk SNOBOL Program File snp unk unk Snapview Shapshot snx unk unk Second Nature Software Graphic soa unk unk Sage MAS 90 Accounting Software File soc unk unk SociometryPlus Sociometric Group sol unk unk Solution Game Walkthroughs som unk unk Paradox Sort Info sou unk unk SB Studio II Sound sp unk unk Splint Compressed Archive File (UNIX) spc unk unk Multiplan Program spd unk unk Harvard Bitstream Typefaces (Harvard Graphics taken o spf unk unk Site Publisher Profile spg unk unk Sprint Glossary spi unk unk Scanner Graphics spj unk unk Site Publisher Project File spl unk unk Compressed Archive File spm unk unk WordPerfect File spn unk unk WordPerfect Distribution File spp unk unk Sprint Printer File spr unk unk Sprint Document Letter sps unk unk Sprint Screen Driver spt unk unk RASMOL Script spw unk unk SigmaPlot Worksheet spx unk unk Foxpro Compiler Screen Program spz unk unk Spazz3d VRML File sq7 unk unk Daktronics Venus 7000 Electronic Sign Sequence sqc unk unk Structured Query Language Common Code File sql unk unk Structured Query Language Data sqr unk unk Structured Query Language Program File sqz unk unk Compressed Archive File src unk unk Sourcecode (various) srf unk unk Sun Raster Graphic File srp unk unk QuickLink Script srt unk unk BSplayer Subtitle File ss unk unk Splash Bitmap Graphic ssa unk unk Subtitles ssd unk unk SAS Database ssf unk unk Enable Spreadsheet File ssh2 unk unk SSH Secure Shell Client ssi unk unk Installer/GD Software Setup Information ssm unk unk RealPlay Standard Streming Metafile ssp unk unk SAS Transport Data sss unk unk Sudden Strike Saved Game sst unk unk Certificate Store st unk unk SMALLTALK Program File sta unk unk Eudora File stb unk unk Genus Stub Library stc unk unk OpenOffice.org Calc template std unk unk Prosa State Transition Diagram Graphic (or OpenOffice.org Draw template) stf unk unk ShrinkToFit Compressed Archive File stg unk unk PageKeeper Storage File sti unk unk OpenOffice.org Impress tempate stk unk unk Personal Stock Monitor File stl unk unk Certificate Trust List stm unk unk Sound File sto unk unk Genus Pascal Stub OBJ File stp unk unk PageKeeper Packed Storage File str unk unk dBase Structure List sts unk unk MS C Project Status Info stw unk unk SmartTerm Data File (or OpenOffice.org Writer template) stx unk unk Simply Tax Form sty unk unk Style Sheet (various) sub unk unk CloneCd Related File sud unk unk Super Project Analyzer Data sui unk unk Simple User Interface Toolkit Library sum unk unk Summary (various) sun unk unk Sun Raster Graphic File sup unk unk WordPerfect Supplemental Dictionary sur unk unk Surveyor Document sv$ unk unk AutoCAD Autosave File sv1 unk unk Transport Tycoon Saved Game sv4 unk unk RollerCoaster Tycoon Saved Game svg unk unk Scalable Vector Graphics File svi unk unk Mimio Ink Files svp unk unk WISCO Survey Power svx unk unk Interchange File Format, 8SVX/16SV sw unk unk Audio File swa unk unk Shockwave Audio File swd unk unk Storybook File (educational) swf unk unk Macromedia Flash Format swfs unk unk Dreamweaver File swg unk unk Swag Reader Packet swi unk unk Swish Data File (Swish makes Flash files) swl unk unk Macromedia Flash Format swt unk unk VB Setup Wizard Template File sxc unk unk OpenOffice.org Calc sxd unk unk OpenOffice.org Draw sxg unk unk OpenOffice.org Master Documents sxi unk unk OpenOffice.org Impress sxm unk unk OpenOffice.org Math sxw unk unk OpenOffice.org Writer sy1 unk unk Ami Pro Smartpix Symbol Library sy3 unk unk Harvard Symbol File (Harvard Graphics taken over by S syl unk unk SYLK Spreadsheet Format sym unk unk Symbol Table (various) syn unk unk Synonym File sys unk unk System Configuration syw unk unk Harvard Symbol Graphic (Harvard Graphics taken over b sz0 unk unk Binary File Format (used when uploading via a COM por t unk unk Tads Source File t?? unk unk Ingres Table/Index File (?? = Hex 00 to FF) t2k unk unk Teach2000 Document t2t unk unk Sonata CAD Modelling File t64 unk unk C64S Emulator Program t98 unk unk Kiplinger Tax Cut File (1998 Tax Year) t99 unk unk Kiplinger Tax Cut File (1999 Tax Year) tab unk unk Guitar Tablature File tag unk unk Dataflex Query Tag Name tah unk unk Turbo Assembler Help File tai unk unk INMOS Transputer Development System Occam Analyse Inf tal unk unk Adobe TypeAlign Text Illustration File tam unk unk Tame Program Settings tao unk unk IsoBuster File tar unk unk Compressed Archive File tax unk unk Turbotax File taz unk unk Compressed File (short for .tar.z) tb1 unk unk Turbo C Font tb2 unk unk Turbo C Font tbc unk unk IronCAD Tool Bar Customization tbf unk unk Imavox TurboFax Faxs tbk unk unk Asymetrix Toolbook tbl unk unk Adobe Pagemaker Import Mapping Table tbx unk unk Project Scheduler Table tc unk unk Borland Configurations File tch unk unk Borland Help File tci unk unk INMOS Transputer Development System Occam Configurati tcl unk unk TCL/TK Language Script tcm unk unk INMOS Transputer Development System Occam Comment Tex tcw unk unk TurboCAD Drawing td unk unk Turbo Debugger Configuration File td2 unk unk Turbo Debugger Configuration File td4 unk unk RollerCoaster Tycoon Track Design tdb unk unk Thumbs Plus Database tdf unk unk Trace Definition File tdh unk unk Turbo Debugger Help File tdk unk unk Turbo Debugger Keyboard Record tdo unk unk Compressed File tdp unk unk Serif DrawPlus Thumbnail tds unk unk Turbo Debugger Symbol Table tdw unk unk Turbo Debugger Configuration File te unk unk Textease File te2 unk unk Conquest of the New World tea unk unk Tea Template Source File tee unk unk TeeChart Office Graphic tef unk unk Relisys Tefax Fax tel unk unk Telnet Host File tem unk unk Icon Author Template ter unk unk TerraGen Landscape File tet unk unk Textease Template tex unk unk TeX tf unk unk Turbo Profiler Configuration File tfa unk unk Turbo Profiler Area File tfc unk unk Tobi's Floppy Cataloguer Catalog tfh unk unk Turbo Profiler Help File tfm unk unk Tagged Font Metric tfs unk unk Turbo Profiler Statistic tfx unk unk Traffix Traffic Analysis Software tg1 unk unk On Target Project File tg4 unk unk CCITT Group 4 Fax tga unk unk Truevision Targa Graphic tgf unk unk MDL Sketch tgh unk unk TrueGas Host File tgw unk unk Terragen Atmosphere File tgz unk unk UNIX Tar File Zipped (short for .tar.gz) thb unk unk Bitmap Graphic thd unk unk Thread theme unk unk Microsoft Plus! Theme File thm unk unk MS Clipart Gallery Database thn unk unk Graphics Workshop for Windows Thumbnail thp unk unk TurboTax-related File ths unk unk WordPerfect Thesaurus tie unk unk X-wing Alliance Game File tif unk unk Tagged Image Format File tiff unk unk Tagged Image Format File tig unk unk Tiger Government Map File til unk unk Togai InfraLogic Fuzzy-C Knowledge Base tis unk unk MahJongg Tile Set tkm unk unk Panasonic SD Voice Editor File tlb unk unk Remote Automation Truelib Files tlc unk unk Swat Compiled Tood Command Language Source tld unk unk Trellix File tle unk unk NASA Two-Line Element Set tlg unk unk Trellix WebGem tlp unk unk MS Project Timeline File tlt unk unk Trellix Web Design File tlx unk unk Telex tma unk unk DCI TradeManager Catalog Archive tmc unk unk DCI TradeManager Catalog Archive tmf unk unk WordPerfect Tagged Font Metric File tmo unk unk Zortech C++ Global Optimizer Output File tms unk unk Telemate Script toc unk unk Eudora Table Of Contents tol unk unk Kodak Photoenhancer top unk unk INMOS Transputer Development System Occam Top Level F tos unk unk Atari Self-extracting Archive tot unk unk Telelogic Option Templates tp unk unk Turbo Pascal Configuration File tp3 unk unk Harvard Template (Harvard Graphics taken over by Seri tp4 unk unk RollerCoaster Tycoon Track Design Screenshot tph unk unk Turbo Pascal Help File tpl unk unk Turbo Pascal Resident Units tpp unk unk Turbo Pascal Protected Mode Units tpu unk unk Turbo Pascal Unit tpw unk unk Turbo Pascal Unit tpz unk unk Compressed File (short for .tar.gz) tr unk unk Turbo Debugger Session-state Settings tr2 unk unk Turbo Debugger Session-state Settings tr5 unk unk Tree Professional File trc unk unk Power CTrace Debug Support File tre unk unk PC Tools Directory Tree trf unk unk DocuMagix File trk unk unk Kermit Script File trm unk unk Terminal Settings (various) trn unk unk Quattro Translation trp unk unk Tripmaker File trs unk unk Micrografx Executable File trt unk unk Team Sports Scheduling System Report Template trw unk unk Turbo Debugger Session-state Settings ts unk unk Tune Smithy File tsk unk unk Skins (Themes) for Pocket PC PDAs tsp unk unk Windows Telephony Service Provider tsr unk unk INMOS Transputer Development System Occam Program Sou tss unk unk Team Sports Scheduling System Project File tst unk unk WordPerfect Printer Test File tsx unk unk Team Sports Scheduling System XML Project File ttc unk unk TrueType Compressed Font ttf unk unk TrueType Font ttk unk unk Corel Catalyst Translation Tool Kit ttl unk unk Tera Term Macro File ttp unk unk Telelogic Tau Project ttw unk unk Telelogic Tau Workspace tub unk unk PaintShop Pro Tube File tud unk unk Thumbs Plus Viewer Graphics tuo unk unk Thumbs Plus Viewer Graphics tut unk unk Tutorial tv unk unk Paradox Table View Settings tv1 unk unk WordPerfect Overflow File Above Doc 1 Insert Point (c tvm unk unk TVMconv tvt unk unk RealPlayer twd unk unk Simtech MindMapper Mind Map twf unk unk TabWorks File twg unk unk ThatWaltGuy Web Server File twp unk unk Toplevel Computing Fine Words (DOS Word Processor) tww unk unk Tagwrite Template tx8 unk unk DOS Text File txb unk unk Descent/D2 Encoded Briefing File txc unk unk Urban Chaos Game File txf unk unk Compressed File (short for .tar.f) txi unk unk TeX Support File txm unk unk DATAIR Pension Reporter Data File txt unk unk Text File (open in Notepad, WordPad, Word, or many ot txw unk unk Yamaha TX16W Wave Files txx unk unk DataPerfect Text Storage tym unk unk PageMaker Time Stamp tz unk unk Compressed File (short for .tar.z) tzb unk unk Compressed File (short for .tar.z.btoa) u unk unk Unreal System File uap unk unk User Agent Wireless Telephony Profile uax unk unk Unreal Audio File ub unk unk Audio File uc2 unk unk Compressed File ucm unk unk Urban Chaos Game File ucn unk unk Compressed Archive udf unk unk WindowsNT Uniqueness Database File udl unk unk MS Data Link udw unk unk Raw Unsigned DoubleWord (32-bit) Data ue2 unk unk Encrypted Archive ufo unk unk Ulead Object File ug unk unk Drawing File (various) uhs unk unk Universal Hint System File uhtm unk unk Unreal Tournament File ui unk unk User Interface uif unk unk WordPerfect Long Prompts uih unk unk Geoworks UI Compiler Espire Header ul unk unk uLAW Audio File uld unk unk Procomm Uploaded Files uls unk unk Internet Location Service ult unk unk UltraTracker Music Module umod unk unk Unreal Self-extracting MOD File umx unk unk Unreal Music File uni unk unk MikMod (UniMod) Format unl unk unk Informix Binary File Created by UNLOAD Command unr unk unk Unreal Map File unx unk unk Text File (usually UNIX) upd unk unk dBase Update File upi unk unk ULead Photo Impact Program File upj unk unk ULead Project File upo unk unk dBase Compiled Update File upx unk unk ULead Photo Express Saved Image File urf unk unk Radar ViewPoint Universal Radar Format url unk unk Internet Location usa unk unk Unreal Saved Game File usb unk unk D-Link FM Radio Update use unk unk MKS Source Integrity File usl unk unk LaserJet Landscape Font usp unk unk PageMaker Printer Font usr unk unk User Database (various) utf unk unk AOL Updating Files utl unk unk Sound File utp unk unk BinPatch Patch Data File utx unk unk Unreal Texture File uu unk unk Compressed Archive File (UUENCODE) uud unk unk Uudecoded uue unk unk Uuencoded uvr unk unk Ulead Cool 360 Viewer File uw unk unk Audio File uwf unk unk UltraTracker Wave File uwl unk unk WordPerfect User Word List v unk unk Verilog File v64 unk unk Nintento 64® Emulation ROM Image v8 unk unk Covox 8-bit Audio vag unk unk Sony PlayStation ADPCM Sound File val unk unk Paradox Validity Checks van unk unk VistaPro Animation vap unk unk Annotated Speech var unk unk Icon Author Variable vb unk unk VBScript File or Any VisualBasic Source vba unk unk VBase File vbd unk unk ActiveX File vbe unk unk VBScript Encoded Script File vbg unk unk Visual Basic Group Project vbl unk unk User Control Licensing File vbp unk unk Visual Basic Project vbr unk unk Remote Automation Registration Files vbs unk unk VBScript Script File vbw unk unk Visual Basic Project Workplace vbx unk unk Visual Basic Extension vbz unk unk Wizard Launch File vc unk unk VisiCalc Spreadsheet File vcd unk unk VisualCADD Drawing File vce unk unk Natural MicroSystems Voice File vcf unk unk vCard File vcm unk unk Visual Component File vcs unk unk MS Outlook vCalendar File vct unk unk FoxPro Class Library vcw unk unk MS Visual C++ Workbench Information File vcx unk unk FoxPro Class Library vda unk unk Targa Bitmap vdo unk unk VDOScript File vdr unk unk ComputerEasy Draw File vdt unk unk SwiftView Command File vdx unk unk Video File vew unk unk Clipper Viewfile vfm unk unk Voter Voting Form vfn unk unk Voter Customer Voting Form vga unk unk VGA Screen Driver vgd unk unk Generic CADD VGA Driver vgr unk unk Ventura Graphic vi unk unk Virtual Instrument LabView File vib unk unk Chemsoft® Export/Import MSDS Data vic unk unk Vicar Picture File vid unk unk Monitor Control File vif unk unk Khoros Visualization Image File vik unk unk Viking Picture File vir unk unk Virus Infected File (renamed by Symantec Anti-Virus) vis unk unk Picture File viv unk unk VivoActive Player Video File viz unk unk Division dVS/dVISE File vl2 unk unk Tribes 2 Game (actually a ZIP file) vlb unk unk Corel Ventura Library vlt unk unk Darn! Passwords! Vault File vm unk unk Geoworks Virtual Memory File vm1 unk unk Panasonic SD Voice Editor File vmc unk unk Acrobat Virtual Memory File vmf unk unk Ventura Font Characteristics vmo unk unk Siemens Sl45 Mobile Phone Voice File vms unk unk Sega Dreamcast VMU Save File vnc unk unk Virtual Network Computing vo unk unk Vivid Include File vob unk unk DVD Video Movie File (MPEG-2 program streams with add voc unk unk Quartet Audio File vof unk unk VZ Programmer Object Folder vox unk unk Vox Audio vp unk unk Ventura Publisher File vpg unk unk VPGraphics File vqe unk unk Yamaha Sound-VQ Locator File vqf unk unk Yamaha Sound-VQ File vql unk unk Yamaha Sound-VQ Locator File vrf unk unk Oracle 7 Configuration File vrm unk unk Quattro Pro Overlay File vrp unk unk Watcom Project File vrs unk unk WordPerfect Graphics Driver vs unk unk Vivid Include File (Surface definition) vs2 unk unk Roland-Bass Transfer File vsd unk unk Visio Drawing vsdisco unk unk SOAP Dynamic Discovery File (MS SOAP & .NET apps) vsl unk unk GetRight Download List File vsm unk unk VisSim Simulation Model vsp unk unk Virtusales ASP Compiler Project File vss unk unk Visio Stencil vst unk unk Visio Template vsw unk unk Visio Workspace File vue unk unk dBase or Foxpro View vvf unk unk ViVerify Fingerprint vvr unk unk ViVerify Repair vw unk unk Volkswriter Text File vwf unk unk CADvance Drawing File vwr unk unk PC Tools File Viewer vxd unk unk Virtual Device Driver w unk unk Applause Word Chart w30 unk unk Ventura Printer Font w31 unk unk Windows 3.1 Startup File w3d unk unk Black Belt Systems Ray Trace Control File wab unk unk MS Outlook File wad unk unk Doom Game File wal unk unk WalMaster Showlist File war unk unk Archived Konqeror (KDE) HTML Page was unk unk Procomm Plus Script Source Code File wav unk unk Waveform Audio (PCM Wave) wax unk unk Procomm Plus Compiled Script File wb unk unk Dictionary Project Data File wb1 unk unk QuattroPro for Windows wb2 unk unk QuattroPro for Windows wba unk unk Winace Zip File wbc unk unk Webshots Picture Collection wbf unk unk Windows Batch File wbk unk unk WordPerfect Workbook wbl unk unk Argo WebLoad II Upload File wbr unk unk Crick WordBar File wbs unk unk WebExpress Website File wbt unk unk WinBatch Script wbz unk unk WebShots File wcd unk unk WordPerfect Macro Token List wcm unk unk Works File Transmission wcp unk unk WordPerfect Product Info wd2 unk unk WordExpress Document wdb unk unk Works Database wdk unk unk WhizFolder Desktop File wdl unk unk Windows XP Watchdog Log File web unk unk Web Vector Graphic File wfa unk unk WinFax Pro Archive wfb unk unk Turtle Beach WaveFront Bank wfd unk unk Turtle Beach WaveFront Drum Set wfm unk unk dBase Form Designer Form Object wfn unk unk Corel Symbols and Fonts wfp unk unk Turtle Beach WaveFront Program wfx unk unk Winfax Data File wg1 unk unk Lotus 1-2-3 Worksheet wg2 unk unk Lotus 1-2-3 Worksheet wgp unk unk Wild Board Games File wgt unk unk Worms Armageddon Teams File wht unk unk MS NetMeeting Old Whiteboard Document wid unk unk Ventura Width Table wif unk unk Weaving Information Format wil unk unk Windows Interface Language Script win unk unk dBase or Foxpro Window wip unk unk Windows Installer Project (opens with MS Visual Studi wiz unk unk Wizard File wk! unk unk Lotus Spreadsheet File wk1 unk unk Lotus Spreadsheet File wk3 unk unk Lotus Spreadsheet File wk4 unk unk Lotus Spreadsheet File wkb unk unk WordPerfect Document wkb unk unk Workbook wke unk unk Lotus Educational Version Spreadsheet File wkq unk unk Quattro Spreadsheet wkz unk unk Compressed Spreadsheet wld unk unk REND386/AVRIL File wlf unk unk Argo WebLoad I Upload File wlg unk unk Dr. Watson Log wlk unk unk Virtus Walkthrough Graphics wll unk unk Word Add-in wlr unk unk VRML Page wls unk unk 602 pro PC SUITE Worksheet File wma unk unk MS Active Streaming (Media) File wmc unk unk WordPerfect Macro wmd unk unk Windows Media Player Download Package wmf unk unk Windows Metafile wmp unk unk MS JScript Proxy Auto-Configuration wms unk unk Windows Media Player Skin File wmv unk unk MS Active Streaming (Media) File wmx unk unk Audio Playlist wmz unk unk Windows Media Player Skin File wn unk unk Write Now Text File wnf unk unk Corel Outline Font wns unk unk PrintShop Newsletter woa unk unk Windows Swap File woc unk unk Windows OrgChart Organization wor unk unk MapInfo Workspace wow unk unk Grave Composer Music Module wp unk unk WordPerfect Document File wp4 unk unk WordPerfect Document File wp5 unk unk WordPerfect Document File wp6 unk unk WordPerfect Document File wpd unk unk WordPerfect Screen Driver or Document wpf unk unk WordPerfect Text File wpg unk unk WordPerfect/Drawperfect Graphics wpk unk unk Keyboard wpm unk unk WordPerfect Macro wpt unk unk WordPerfect Template wpw unk unk PerfectWorks Document wpx unk unk Adobe printer Information File (Usually found in C:\W wr! unk unk Compressed Lotus Spreadsheet wq! unk unk Compressed Quattro Pro Spreadsheet wq1 unk unk Quattro Pro Spreadsheet wq2 unk unk Quattro Pro Spreadsheet wr1 unk unk Symphony Spreadsheet File wrd unk unk Charisma Template wr1 unk unk Symphony Document wri unk unk Write Document wrk unk unk Spreadsheet File wrl unk unk Plain Text VRML File wrp unk unk Amiga Compressed Archive File wrs unk unk WordPerfect Windows Printer Driver wrt unk unk IBM Writing Assistant File (DOS Application) wrz unk unk GNUZIP Compressed VRML File ws unk unk WordStar Document ws1 unk unk WordStar for Windows 1 Document ws2 unk unk WordStar for Windows 2 Document ws3 unk unk WordStar for Windows 3 Document ws4 unk unk WordStar for Windows 4 Document ws5 unk unk WordStar for Windows 5 Document ws6 unk unk WordStar for Windows 6 Document ws7 unk unk WordStar for Windows 7 Document wsc unk unk Windows Script Component wsd unk unk WordStar Data File wse unk unk Wise File wsf unk unk Windows Script File wsh unk unk Windows Script Host Settings File wsm unk unk SMS Installer Working File wsp unk unk Chromeleon Wordspace wsq unk unk Wavelet-packet Scalar Quantization wst unk unk WordStar Text File wsz unk unk WinAmp Skin wt2 unk unk WordExpress Document Template wvl unk unk Wavelet Compressed Bitmap wvx unk unk Audio Playlist wwb unk unk WordPerfect Button Bar wwk unk unk WordPerfect Keyboard Layout wwl unk unk Word Add-in File wwp unk unk Worms World Party Teams File wwv unk unk Sound File wxp unk unk EXP for Windows Document wzd unk unk Sharp Organizer Program or Data File wzn unk unk WhizFolder Document x unk unk LEX Program File x01 unk unk Paradox Secondary Index (can be 01 to 09) x16 unk unk Macromedia Program Extension (16-bit) x32 unk unk Macromedia Program Extension (32-bit) x3d unk unk Xara 3D Project File x4m unk unk TeamLinks Mail File Data x5 unk unk Rockwell Software Logix 5 File xa unk unk Extended Architecture File xab unk unk Xenis Mail Address Book xan unk unk XANIA® Browser xar unk unk Xara X Vector Drawing xbm unk unk X Bitmap Graphic xcf unk unk GIMP Image File xfd unk unk Adobe Text File (unconfirmed) xfn unk unk Ventura Printer Font xft unk unk Chiwriter 24 Pin Printer Font xfx unk unk Fax File (various) xgr unk unk MS Graph Edit XML Graph xi unk unk Fast Tracker 2 Instrument xif unk unk Wang Image File xip unk unk Hotbar Image Compression Format xla unk unk Excel Add-in xlb unk unk Excel File xlc unk unk Excel Chart xld unk unk Excel Dialog xlg unk unk Xnetech Engraving Logo File xll unk unk Excel Add-in (Dynamic Link Library) xlm unk unk Excel Macro xlr unk unk MS Works File xm unk unk Sound File xmb unk unk X-Wing Mission Briefing File xmi unk unk Winamp Extended Midi File xml unk unk Extensible Markup Language File xnf unk unk Standard Network File Form xng unk unk OM2 911 Xchange Version 6 Document xnk unk unk Exchange Shortcut xot unk unk Xnetech Job Output File xpl unk unk Music File xpm unk unk X Picsmap Graphic xqt unk unk SuperCalc Macro Sheet xrf unk unk Cross Reference xr1 unk unk Epic MegaGames Xargon File xrf unk unk Crossreference File xs unk unk Hummingbird Exceed File xsl unk unk XML Stylesheet xsm unk unk LEXIS-NEXIS Tracker xt* unk unk Crosstalk Related File xtb unk unk LocoScript External Translation Table xtr unk unk RealArcade Compressed Data File xul unk unk XML User Interface Language xvu unk unk BOClean Database File xwd unk unk X Windows Dump xwf unk unk Yamaha XG Works File xwi unk unk X-Wing Mission File xwk unk unk Crosstalk Keyboard Mapping xwp unk unk Crosstalk Session xx unk unk Xxencoded File xxe unk unk Xxencoded File xxx unk unk Singer Sewing Machine Professional SewWare File xy unk unk XYWrite Text File xy3 unk unk XYWrite Text File xy4 unk unk XYWrite IV Document xyp unk unk XYWrite III Plus Document xyw unk unk XYWrite Windows 4.0 Document xyz unk unk Chime molecule y unk unk Amiga Yabba Compressed Archive File y01 unk unk Paradox Secondary Index (can be 01 to 09) yal unk unk Arts & Letters Clipart ybk unk unk Encarta Yearbook ymap unk unk Ygnius Computer Aided Thinking File ysp unk unk Bitmap Graphic (unconfirmed) yuv unk unk Color Space Pixel Format yz unk unk Yac Compressed Archive File z unk unk Compressed Archive File z? unk unk See .ZL? Below z3 unk unk Infocom Game Module z64 unk unk Nintendo 64 Emulator z80 unk unk ZX Spectrum Emulator zap unk unk FileWrangler Compressed File (only used in beta) zc unk unk Zipkey Configuration File zdb unk unk Wonder Word Data File zdg unk unk ZView Compressed Document zei unk unk ANNO 1602 Game zer unk unk Zerberus File zfs unk unk C++ Assembly Source zgm unk unk ZenoGraphics File zhp unk unk Zipped SwiftView File zim unk unk PagePath Technologies Compressed Mac File zip unk unk Compressed Archive File zl? unk unk ZoneAlarm Mailsafe Renamed File bas unk unk to .ZL2, .BAT to .ZL3, .CHM to .ZL4, .CMD to .ZL5, .C zl6, unk unk .CPL to .ZL7, .CRT to .ZL8, .EXE to .ZL9, .HLP to .ZL hta unk unk to .ZLB, .INF to .ZLC, .INS to .ZLD, .ISP to .ZLE, .J jse unk unk to .ZLF, .LNK to .ZLG, .MDB to .ZLH, .MDE to .ZLI, .M zlj, unk unk .MSI to .ZLK, .MSP to .ZLL, .MST to .ZLM, .PCD to .ZL pif unk unk to .ZLO, .REG to .ZLP, .SCR to .ZLQ, .SCT to .ZLR, .S zls, unk unk .URL to .ZLT, .VB to .Z1, .VBE to .ZLU, .VBS to .ZLV, wsc unk unk to .ZLW, .WSF to .ZLX, .WSH to .ZLY zm? unk unk ZSNES Movie (? = number of the movie) zmk unk unk Z-Up Maker Project File zom unk unk Amiga Compressed Archive File zoo unk unk Compressed Archive File zvd unk unk ZyXEL Voice File zw unk unk Chinese 1 unk unk Inno Setup Binary File 10x unk unk Gemini Bitmap Printer Graphics File 123 unk unk Lotus File 12m unk unk Lotus Smartmaster File 12u unk unk PageMaker Font File 15u unk unk PageMaker Printer Font 196 unk unk Computer Snooper Log File 1pe unk unk TurboTax Form File 1st unk unk Information (e.g., README.1ST) 1tx unk unk 1toX File (Logipole) 22 unk unk Clipstream 20 Kb Stream 24b unk unk 24-bit Graphic File 286 unk unk Windows Standard Mode Driver 2d unk unk 2D VersaCAD Drawing File 2gr unk unk Windows EGA/VGA Screen Grabber 301 unk unk Fax Data 303 unk unk Seq-303 Settings 320 unk unk Chromelion Demo Data File 323 unk unk H.323 Internet Telephony 340 unk unk Chromelion Demo Data File 386 unk unk Windows Enhanced Mode Driver or Swap File 3d unk unk VersaCAD 3D Drawing File 3dm unk unk 3D Modeler File 3dml unk unk Rover 3D Modeling 3dp unk unk Serif 3D Plus 3ds unk unk 3D Studio Graphic 3dv unk unk Visual Component File 3dz unk unk Easy 3D Creator Project File 3fx unk unk Corel Chart 3D Effect 3gr unk unk Windows SVGA/XVGA Screen Grabber 3in unk unk MSN Setup Information 3t4 unk unk Binary to ASCII Conversion 3ta unk unk Triple-T Animation 3tp unk unk Triple-T Plug-in 411 unk unk Sony Mavica Data File 44 unk unk Clipstream 32 Kb Stream 4c$ unk unk 4Cast/2 Data 4ge unk unk Informix 4GL Compiled Code 4gl unk unk Informix 4GL Source 4sw unk unk 4DOS Swap File 4th unk unk FORTH Program 4v unk unk Quartet Music File 602 unk unk T602 Text File 608w unk unk Audiogalaxy Music File (unverified) 669 unk unk 669 Tracker Module 6am unk unk Haltech ECU Fuel and Ignition Map 6cm unk unk Triton FastTracker 6-Channel Music 8 unk unk A86 Assembler Program File 83p unk unk TI-Graph Link (TI-83 Program) 8ba unk unk Adobe PhotoDeluxe Plugin (also ends in E, F, I, X, & 8bf unk unk Filter Factory File 8cm unk unk Triton FastTracker 8-Channel Music 8m unk unk PageMaker Math 8 Printer Font 8u unk unk PageMaker Roman 8 Printer Font 906 unk unk Calcomp Plotter File $$a unk unk OS/2 $$f unk unk OS/2 Database $$p unk unk OS/2 Notes $$s unk unk OS/2 Spreadsheet $d$ unk unk OS/2 Planner Data File $db unk unk dBase Temp File $ln unk unk Borland C++ TLink Response File $vm unk unk MS Windows Virtual Manager Temp File $#! 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