# The LearningOnline Network # file extension description file # # $Id: filetypes.tab,v 1.21 2004/05/12 13:04:32 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 # # 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 description #-------------------------------------------------------------------- a unk ADA Program a01 unk ARJ Multi-volume Compressed Archive (can be 01 to 99) a11 unk AIIM Graphic a3d unk Amapi 3D Modeling a3k unk Yamaha A3000 Sampler File a3l unk Authorware 3.x Library a4l unk Authorware 4.x Library a4p unk Authorware File Without Runtime a5l unk Authorware 5.x Library a86 unk A86 Assembler Program File aa unk Audio Book File aam unk Authorware Shocked File aas unk Authorware Shocked Packet ab unk Applix Builder File ab6 unk AB Stat Data ab8 unk AB Stat Data abc unk Flowchart abd unk AmBiz Bonus Calculator Data File abf unk Adobe Binary Screen Font abm unk Album File (various) abo unk Applix Builder Turbo File abr unk Photoshop Brush abs unk Abstracts, PC GNU Compiler Output abw unk AbiWord Document File ac3 unk AC3 Audio File Format aca unk MS Agent Character File acb unk ACBM Graphic Image acc unk DR-DOS Viewmax File acd unk Chromeleon Channel Raw Data ace unk The Ace Archiver Compressed File acf unk Photoshop Custom Filter acg unk MS Agent Preview File ach unk Rockwell Software Logix 5 File aci unk ACI Development Appraisal acl unk Corel Draw 6 Keyboard Accelerator acm unk ACBM Image File aco unk Photoshop Color Swatch File acr unk American College of Radiology File acs unk MS Agent Character File act unk MS Office Actor Program File ad2 unk 2-bit Compressed Voice File ad3 unk 3-bit Compressed Voice File ada unk ADA Program File adb unk ADA Package Body adc unk Chromeleon Demo Data File add unk Adobe Pagemaker File ade unk MS Access Project Extension adf unk Adapter Description File adi unk AutoCAD Plotter File adl unk QEMM MCA Adapter Description Library adn unk MS Access Blank Project Template adp unk MS Access Project ads unk ADA Package Specification adt unk HP NewWave Card Application Data File adx unk Lotus Approach Index File adz unk GZ-Packed Amiga Disk File (see ADF) ae unk SoftQuad Author/Editor File aeh unk iPer Advanced Embedded Hypertext aep unk ArcExplorer Project File aeu unk MS AutoRoute Express Europe Route aex unk PGP Armored Extracted Public Encryption Key af2 unk ABC Flowchart (Now Micrografx FlowCharter) af3 unk ABC Flowchart (Now Micrografx FlowCharter) afc unk Apple Sound File afi unk Truevision Bitmap Graphic afl unk Lotus Font afm unk Outline Font Metric afp unk Flowchart Symbol Palette afs unk Filter Factory Photoshop Filter aft unk Flowchart Template afw unk Flowchart Work Area ag unk Applix Graphic ag4 unk Access G4 File agp unk Aspen Graphics Pages agw unk Aspen Graphics Windows ahs unk Photoshop Halftone Screens ai unk Adobe Illustrator Vector Graphic aif unk Knowledgeware Setup Information aim unk AOL Instant Messenger File aiml unk Artificial Intelligence Markup Language ain unk AIN Compressed Archive aio unk APL File Transfer Format aip unk Audiosoft Parameter File air unk Align It! Resource File ais unk Array of Intensity Samples (Graphic) aix unk HP NewWave Cardfile Application Data akf unk Acrobat Key File akw unk RoboHELP Help Project Index File alb unk JASC Image Commander Album alc unk Norton Internet Security Ad Server File ali unk SAP Proprietary Format Document File all unk Arts & Letters Symbols and Characters als unk Alias Image alt unk WordPerfect Menu File alv unk Photoshop Levels alx unk OM2 OMALI Plug-in Extension am unk Applix SHELF Macro am2 unk AutoPlay Menu Studio Version 2 am3 unk AutoPlay Menu Studio Version 3 amc unk Ant Movie Catalog amf unk Advanced Module Format Music File amg unk AMGC Compressed Archive (alternate site) ami unk Cocreate SolidDesigner Annotation File amp unk Photoshop Arbitrary Map Settings ams unk Extreme's Tracker Module Format an unk Groundworks Text File anc unk Canon Computer Pattern Maker File ani unk Animated Cursor anl unk Project Analyzer Saved Analysis anm unk DeluxPaint Animation ann unk Help Annotation ans unk ANSI Graphic ant unk SimAnt for Windows Saved Game File aob unk DVD Audio File (MPEG-2 program streams with additiona aof unk Acorn Object Format (used for data storage) aos unk Nokia Add-on Software aot unk ZenWorks Application Binary Object Template File ap unk Applix Presents File apa unk AlfaPad Organizer File apc unk Centura Team Developer Compiled Application File apd unk Centura Team Developer Dynamic Application Library Fi apf unk Acrobat Profile File api unk Photoshop Ink Colors Setup apk unk GameSpy Arcade Service apl unk Centura Team Developer Application Library File app unk R:Base, Symphony, DR-DOS, FoxPro (or other) Applicati apr unk Lotus Approach 97 File aps unk MS Visual C++ File apt unk Centura Team Developer Text Mode Application File apx unk Lotus Approach Paradox-specific Information File aq unk Applix Data ar unk Compressed Archive File (used by MS Midtown Madness 1 arc unk Archive File arf unk Automatic Response File ari unk Aristotle Audio File arj unk Compressed Archive ark unk Compressed Archive arl unk AOL Organizer File arm unk Armadillo Software Protection System arr unk Atari Cubase Arrangement art unk Clip Art File arv unk Arsiv File arx unk Compressed Archive as unk Applix Spreadsheet asa unk MS Visual InterDev File asc unk ASCII Text File ase unk Velvet Studio Sample asf unk MS Active Streaming (Media) File ash unk TASM Assembler Header asi unk Borland Assembler Include ask unk askSam Database asm unk Assembler Source Language (various) asmx unk ASP.NET Webservices Source File aso unk Assembler Object asp unk Active Server Page aspi unk Audio Catalyst aspx unk ASP.NET Source File asr unk Ms Automap Route ast unk Astound Multimedia File asv unk DataCAD Autosave File at2 unk Aldus Persuasion 2.0 Auto Template atf unk Photoshop Transfer Function atm unk Adobe Type Manager Data File atr unk Lightscape Material Library att unk AT&T Group 4 Bitmap (fax) atw unk AnyTime Deluxe PIM File au unk Music File (various) aud unk Audio File used by Westwood Studios for various games aup unk ePocrates File aux unk TeX/LaTeX Auxilliary Reference File av unk Final Draft AV Document File ava unk Avagio Publication avb unk Inoculan Anti-Virus Virus Infected File avd unk Avery Label Pro Data File avi unk Audio Video Interleave File avr unk Audio Visual Research Sound File avs unk Animation File avx unk ArcView File aw unk HP AdvanceWrite Text File awd unk Faxviewer Document awk unk AWK Script awm unk Animation Works Movie awr unk Telsis Digital Audio File aws unk StatGraphics Data File awx unk MS DirectX 8.1 ax unk DirectShow Filter axd unk Avery Label Pro Re-Index File axg unk MS Autoroute Trip File axl unk ArcIMS XML Project File axr unk Telsis Digital Audio File axs unk MindAvenue AXEL Stream File axt unk ASCII Application Object Template az unk WinDVD File b unk Limbo Implementation File (Inferno OS) b1j unk BookJones b1n unk 1st Reader Binary Screen Image b1s unk BookSmith b30 unk Ventura Publisher Printer Font b3d unk 3D Builder File b4 unk Helix Nuts and Bolts File (Helix Software now part of b64 unk Base 64 MIME-encoded File b8 unk Piclab Raw Graphic File b&w unk Atari Bland and White Graphics b_w unk Atari/Macintosh Black and White Graphic bad unk Rime Mailer Address File bal unk Ballade Music Score bar unk dBase Application Generator Horizontal Menu Object bas unk BASIC Language Source bat unk Batch Processing (DOS Batch File) bb2 unk XBBS-OS/2, XGROUP, AV and ZTree Archiver Control File bbl unk TeX/BibTeX Bibliographic Reference File bbm unk Deluxe Paint Image File bbma unk Bonzibuddy bbp unk BitBeamer Split File (of the form .??_??.bbp) bbs unk Bulletin Board Sytem Text bc unk Sierra Print Artist 4.5 Business Card bcf unk ConfigSafe Snapshot Index bch unk dBase Application Generator Batch Process Object bcm unk MS Works Communications File bco unk Bitstream Fontware File bcp unk Borland C++ Makefile bcw unk Borland C++ 4.5 Environment Settings bdb unk MS Works Dababase File bdf unk West Point Bridge Designer File bdf unk Egret Data File bdr unk MS Publisher Border bez unk Bitstream Fontware File bf2 unk Bradford 2 Font bfa unk Blowfish-encrypted File (Extension added to original) bfc unk Briefcase File bfl unk Colin McRae Rally 2 Data File bfm unk UNIX Font Metrics File bfx unk BitFax Document bg unk MS Backgammon for Windows Game bga unk OS/2 Graphic Array bgb unk MS Chat Background Graphic bgi unk Borland Graphic Interface bgl unk Flight Simulator Scenery File bh unk PowerArchiver Compressed File bhf unk pcAnywhere Host File bi unk Binary File bib unk Bibliography bic unk Civilization III Scenario bif unk GroupWise Initialization File big unk Chinese (old version) bin unk Binary File (many) bio unk BioCharter Profile File bit unk Bitmap Image biz unk Broderbund Print Shop Business Card File bkw unk FontEdit Fontset Mirror Image blb unk DreamWorks Resource Archive bld unk BASIC Bload Graphics blg unk Windows Binary Performance Log blk unk WordPerfect Temp File bll unk An extension used by the VBS/European-A worm. If foun blt unk Wordperfect for DOS File bm unk Bitmap Graphic bm1 unk Apogee BioMenace Data File bmf unk Image File bmi unk Buzz Instrument bmk unk Help Bookmark bmp unk Windows OS/2 Bitmap Graphics bmw unk Buzz Music File with Waves bmx unk Buzz Music File bmz unk Demon Stalkers: Raid on Doomfane (old game) bn unk AdLib Instrument Bank bnk unk Adlib Instrument Bank bnr unk Binary News Reader File bol unk MS Booasm Compressed Archive Library bom unk Orcad Schematic Capture Bill of Materials File boo unk Image File bos unk Brotherhood of Steel Compressed File (renamed ZIP fil box unk Notes Mailbox bpc unk Business Plan Toolkit Chart bpl unk Delphi Library bps unk MS Works Document bpt unk Bitmap Master File bpx unk Truevision Targa Bitmap bqy unk BrioQuery File br unk Bridge Script br3 unk Bryce 3D Scene File brc unk Bryce 2 Scene File brd unk EAGLE Board File bri unk Basic Rate Interface File brk unk Brooktrout Fax-Mail File bro unk Tree Professional Broadleaf Creator File brp unk Tree Professional Broadleaf Creator Image brw unk Application file associated with financial institutio brx unk Multimedia Browsing Index bs_ unk MS Bookshelf Find Menu Shell Extension bs1 unk Apogee Blake Stone Data File bs2 unk Basic Stamp 2 Code File (WordPad or BS2-Editor) bsa unk BSARC Compressed Archive bsc unk Apple II Compressed Archive bsk unk Bryce 4 File bsp unk Quake Map bsv unk BASIC Bsave Graphics btm unk 4DOS Batch To Memory Batch File btn unk ButtonWare File btr unk Btrieve Database File bug unk Bug (Problem) File bun unk CakeWalk Audio Bundle File but unk Buttons! Button Definition buy unk Movie Data File bv? unk WordPerfect Overflow File (Can be 1 to 9) bvs unk BVS Solitaire Collection bw unk SGI Black and White Image bwb unk Visual Baler Spreadsheet File bwi unk Blindread/Blindwrite bwr unk Kermit Beware Bug List bws unk Blindread/Blindwrite bwt unk Blindread/Blindwrite bwv unk Business Wave File byu unk Movie File (Shockwave) bz unk Bzip UNIX Compressed File bz2 unk Bzip UNIX Compressed File (Replaces .BZ) c unk C Program File c?? unk Winace Compressed File c++ unk C++ Source Code c-- unk Sphinx C-- Source c00 unk Ventura Print File c01 unk Typhoon Wave File c2d unk IsoBuster File c4 unk Catfish File Manager Support File c4d unk Cinema 4D (3D Modeling texturing and animation progra c86 unk C86 C Program c-- unk Sphinx C-- Source code ca unk Telnet Server Initial Cache Data File ca7 unk Beta 44 Job File cab unk Cabinet File (Microsoft installation archive) cac unk dBase IV Executable File cad unk Softdesk Drafix CAD File caf unk Southern Company Terrestrial Data Acq cag unk MS Clip Gallery Catalog File cal unk SuperCalc Worksheet cam unk Casio Camera Graphic can unk Navigator Fax cap unk Ventura Caption car unk AtHome Assistant File cas unk Comma-delimited ASCII File cat unk dBase Catalog cb unk MS Clean Boot File cbc unk CubiCalc Fuzzy Logic System File cbi unk IBM Mainframe Column Binary Formatted File cbl unk COBOL Program cbm unk XLib Compiled Bitmap cbt unk Computer Based Training cc unk C++ Program File cca unk CC:Mail File ccb unk Visual Basic Animated Button Configuration ccc unk Chat ccd unk CloneCd Related File cce unk Calendar Creator Plus Data File ccf unk OS/2 Multimedia Viewer Configuration File cch unk Corel Chart ccl unk Intalk Communication Command Language ccm unk Lotus CC:Mail Mailbox ccn unk Vitalize! Game File (Played via IE plug-in) cco unk CyberChat Data File ccr unk Chat Room Shortcut ccs unk CONKY CeZaR Stribas International cct unk Macromedia Director Shockwave Cast cd1 unk DATAIR Cafeteria Document System Data File cd2 unk DATAIR Cafeteria Document System Custom Text File cda unk CD Audio Track cdb unk Turbo C Database cdf unk Comma Delimited Format cdi unk Phillips Compact Disk Interactive Format cdk unk Atari Calamus Document cdm unk PowerDesigner Conceptual Model File cdr unk Corel Vector Graphic cdt unk Corel Draw Template cdx unk Compound Index cdz unk ROM With a View Project File ce unk FarSide Computer Calendar File ceg unk Continuous Edge Graphic cel unk Autodesk Animator Graphic cen unk Master Tracker Financial Analysis cer unk Certificate File cex unk The Currency Exchanger Rate File cf unk Imake Configurtion File cfb unk Comptons Multimedia File cff unk Capabilities File for FOUNDATION(tm) Fieldbus H1 (31. cfg unk Configuration (various) cfh unk Capabilities File for FOUNDATION(tm) Fieldbus HSE (10 cfl unk Corel Flowchart File cfm unk Corel FontMaster cfn unk Atari Calamus Font Data File cfo unk TCU Turbo C Utilities C Form Object cfp unk Complete Fax Portable Fax File cga unk Ventura CGA Screen Characters cgi unk Common Gateway Interface Script cgm unk Computer Graphics Metafile cgp unk NetCaptor CaptorGroup ch unk Clipper Header ch3 unk Harvard Chart (Harvard Graphics taken over by Serif) ch4 unk Charisma 4.0 Presentation cha unk Adobe Pagemaker Kerning Data chd unk FontChameleon Font Descriptor chf unk pcAnywhere Remote Control File chi unk Chiwriter Document chj unk Help Composer Project chk unk CHKDSK/SCANDISK Output chl unk Chromeleon Channel Raw Data chm unk Compiled HTML Help chn unk Ethnograph Data File chp unk Ventura Publisher Chapter chr unk Character or Font File cht unk Cheat Machine Data File cif unk Ventura Chapter Information cil unk Clip Gallery Download Package cim unk Sim City 200 File cin unk OS/2 Change Control File cir unk SuperMax E-CAD Save-File Command cis unk CheckInbox File cit unk Intergraph Scanned Image cix unk TCU Turbo C Utilities Database Index ck1 unk iD/Apogee Commander Keen 1 Data File (.CK1 to .CK6) ckb unk Borland C++ Keyboard Mapping File ckp unk Ingres Checkpoint File cl unk Generic LISP Source Code cl3 unk Easy CD Creator Layout File cl4 unk Easy CD Creator Layout File cl5 unk Easy CD Creator Layout File cla unk Java Class File (usually .CLASS but can be shortened) class unk Java Class File clb unk ICQ Contact List clf unk ListPro File clg unk Disk Catalog Database clk unk Corel R.A.V.E. Animation File cll unk Crick Software Clicker File clo unk Cloe Image clp unk Windows Clipboard/Picture clr unk WinEdit Colorization Word List cls unk Visual Basic Class Module clw unk Microsoft Visual C++ Class Wizard File cm unk Craftman Data File cm4 unk ClipMate Data File cma unk Applix TM1 Database File (text) cmd unk OS/2, WinNT Command File cmf unk Creative Music File cmg unk Chessmaster Saved Game cmk unk Card Shop Plus File cml unk Cheat Machine Library File (Windows) cmm unk CEnvi (ScriptEase:Desktop) Batch File cmp unk Leadview Bitmap cmr unk MediaPlayer Movie cmu unk Carnegie Mellon Univeristy Stereo Raster Image cmv unk Corel Move Animation cmx unk Corel PhotoPaint Image cnc unk CNC General Program Data cnd unk ControlDraw File cnf unk Configuration (various) cnm unk Windows Application Menu Options and Setup File cnq unk Compuworks Design Shop File cnreg unk EULANDA® Warenwirtschaft (ERP) Configuration Informat cnrep unk EULANDA® ERP System Report Template cnt unk Help File Contents (and other contents needs) cnv unk MS Word Data Conversion File cob unk COBOL Program File cod unk Code List cod unk Multiplan Data File col unk Autodesk Color Palette com unk Command (Executable file) con unk Knowledgeware Consolidation File conf unk IRC Related Configuration File (IRCDs or EggDrops) cop unk Tree Professional Conifer Creator Image File cov unk Fax Cover Page (Win2000 Cover Page Editor) cp8 unk CP8 256 Gray Scale Image cpd unk Fax Coversheet cpe unk Fax Coversheet cpf unk Complete Fax File cpg unk 3dize® Cool Page File cph unk Corel Print House Image cpi unk Code Page Information cpj unk CeQuadrant CD Project cpl unk Control Panel Extension cpo unk Corel Print House File cpp unk C++ Program cpr unk Corel Presents Presentation cps unk Antivirus Checksum File cpt unk Macintosh Compressed File cpx unk Control Panel Applet cpy unk Copy Books Data File cpz unk COMPOZ Music Text crd unk Cardfile (Windows 3.x Database) crf unk Zortech C++ Cross-Reference File crh unk MS Golf Image File crl unk Certificate Revocation List crp unk dBase Encrypted Database crs unk WordPerfect 5.1 for Windows File Conversion Resource crt unk Certificate File cru unk CRUSH Compressed Archive crw unk Canon Raw Format (Image) (ACDSee 4.0) crx unk Links Games Course File cry unk Crypto Chat II Encrypted Notebook-content crz unk Links Games Course File cs unk C#.NET Source File csa unk Comma Deliminated Text csc unk Corel Script csd unk Bitstream Fontware File csf unk Van Dyke's CRT/SecureCRT Script File csg unk Statistica Graph File csh unk Hamilton Labs C Shell Script File csi unk Cyberautograph Signed Item csk unk Claris Works csm unk Borland C++ Symbol File, CSML csml unk CSML csp unk PC Emcee On-Screen Image csq unk Foxpro Queries css unk Hypertext Cascading Style Sheet cst unk Macromedia Director Cast File csv unk Comma-Separated Variables ct unk Scitex CT Bitmap ctc unk PC Installer Control ctf unk TIFF Compressed File ctl unk Setup Information (various) ctp unk American Greetings Greeting Cards ctt unk Hotmail List of E-mail Contacts ctx unk Compressed Text cty unk SimCity City File cub unk Gaussian Cube cube unk Gaussian Cube cue unk MS Cue Cards Data cuf unk Turbo C Utilities Form Definition cul unk IconForge/ImageForge Cursor Library cur unk Cursor cut unk Dr. Halo Bitmap Graphic cv unk Corel Versions Archive cv4 unk Codeview Colors cva unk Compaq Diagnostics cvg unk Image File cvp unk WinFax Cover Page cvr unk WinFax Cover Sheet cvs unk Canvas Drawing File cvt unk dBase Converted Database cvw unk Codeview Colors cwe unk Crossword Express cwk unk Claris Works Data also see AppleWorks cws unk Claris Works Template also see AppleWorks cxe unk Common XML Envelope cxt unk Macromedia Director Protected Cast File cxx unk Zortech C++ Program cyn unk Cynex Root55 Program Extension cyp unk Cypherus Encrypted Archive d unk Dialect Source Code File d2d unk 3D Fassade Plus 2D/3D Object File d3d unk CorelDream 3D File d64 unk Commodore 64 Emulator Disk Image d8a unk AmBiz Productivity Pak Catalog dad unk Chromeleon Channel Raw Data daf unk OM2 911 Xchange Version 3 & 6 Document dap unk Omnis5 Application File dat unk Data (multiple programs) db unk Paradox Database db2 unk dBase II File db3 unk dBASE III File dba unk DataEase Data File dbc unk MS Visual Foxpro Database Container dbd unk Clarion Modula-2 Debug Info dbf unk Database (multiple programs) dbg unk MS C++ Symbolic Debugging Info dbl unk WindowsXP Product Activation File (if on WPA.DBL in t dbm unk Cold Fusion Template dbo unk dBase IV Compiled Program File dbook unk Pocket Diary Text dbq unk Paradox Memo dbs unk SQL Format Database dbt unk Database Text File dbv unk Flexfile Memo Field File dbw unk DataBoss Database File dbx unk Database (multiple programs) dc unk DesignCAD CAD File dc2 unk DesignCAD CAD File dc5 unk DataCAD Drawing File dca unk Visual Basic Active Designer Cache dcb unk Concordance Database Control Block dcd unk Document Content Description File dcf unk Design Rule for Camera File Systems File dcl unk DumpSec dcm unk DCM Module Format dcp unk Delphi Compiled Packages dcr unk Shockwave File dcs unk Quark Desktop Color Separation Specification dct unk Dictionary (various) dcu unk Delphi Compiled Unit dcx unk FAX Image dd unk Macintosh Compressed Disk Doubler Archive ddb unk Bitmap Graphics File ddata unk Pocket Diary Text File dde unk Dynamic Data Exchange ddf unk BTRIEVE Database ddi unk DiskDupe Image ddp unk Delphi 6 File dds unk INMOS Transputer Development System Occam Compiler De deb unk DOS Debug Script def unk Definitions dei unk Gerber Design Engineered Interface del unk Data dem unk Descent Demonstration dep unk Setup Wizard Dependency der unk Certificate File des unk Description Text dev unk Device Independent TeX/LaTeX File dez unk DES Encrypted Zip File df unk Lightscape Parameters df1 unk Omnis7 and Omnis Studio Database File (also .DF2, .DF dfd unk File Flow Diagram Graphic dfi unk Digifont Outline Font Description dfl unk Signature Default Program Settings dfm unk Delphi Forms dfs unk Delight Sound File dfv unk Word Print Format Template dg unk Autotrol Graphics dgc unk TurboTax-related File dgn unk Microstation95 CAD Drawing File dgo unk Dimitrius Settings File (Dimitrius is program author) dgr unk Fax Page (MS Outlook Express) dgs unk AT Advanced Diagnostics File dh unk Geoworks Dependency Information File dhp unk Dr. Halo PIC dht unk Gauss Data File dia unk Computer Support Corp Diagraph Graphics File dib unk Device-Independent Bitmap Graphic dic unk Dictionary (various) dif unk Data Interchange Format dig unk Text Document dip unk Graphics File dir unk Procomm Plus Dialing Directory dis unk Ray Tracer File dit unk MS Win2000 Active Directory Schema divx unk Movie Encoded with DivX-codec diz unk Description In Zip File djv unk DjVu File djvu unk DjVu File dkb unk DKBTrace Ray-Traced Graphics File dl unk Animations file dld unk Lotus File dlg unk Dialog Resource Script dlk unk INMOS Transputer Development System Occam Compiler Li dll unk Dynamic Link Library dlm unk Dirty Little Helper Cheat File dls unk Downloadable Sounds (Interactive Music Architecture) dlu unk Dirty Little Helper Update File dmc unk Medical Manager DML System Compiled Script dmd unk Visual dBASE Data Module dme unk Medical Manager DML System Data Merge dmf unk Delusion/XTracker Digital Music File dmg unk Macintosh OS X Disk Image File (Treated like a real d dml unk Darn! Shopping! Mall File dmo unk Derive Demo dmp unk Dump (various) dms unk Compressed Archive dmx unk Medical Manager DML System Index for Custom .DME File dne unk Darn v5+ (Windows) Events List dns unk DynSite Plug-in File dob unk User Document Form File doc unk Document or Documentation (many programs/formats) dog unk Laughing Dog Screen Saver doh unk Geoworks Dependency Information File dos unk Text File/DOS Specification Info dot unk MS Word Document Template dox unk Text File doz unk VENDINFO Description Out of Zip File dp unk Daily Planner Calendar File dpa unk Serif DrawPlus Animation dpc unk DiscPlay Collection File dpj unk DeskProto CAM Project File dpk unk Delphi Package File dpl unk Borland Delphi 3 Packed Library dpp unk Serif DrawPlus Drawing dpr unk Borland C++ (or Delphi) Default Project dpt unk Publish-It! Publication File dpx unk Digital Moving Picture Exchange dqy unk MS Excel ODBC Query File dr9 unk Directory File drc unk Orcad Schematic Capture Design Rules Check Report Fil dres unk Diagnosis Results drn unk Darn for DOS drw unk Drawing (various) ds unk Chemisty Software ds4 unk Micrografx Designer Graphics (ver 4) dsc unk Oracle Discard File dsce unk Diagnosis Scenario dsd unk DataShaper Database File dses unk Diagnosis Session dsf unk Micrografx Designer dsg unk Doom Saved Game dsh unk Dashboard PDA Wallpaper dsk unk Borland C++ or Turbo Pascal Project Desktop File dsl unk Lingvo User Feature Dictionary dsm unk Delphi Symbol File dsn unk ODBC Data Source dsp unk Signature Display Parameters dsq unk Corel QUERY File dsr unk Active Designer File dss unk Digital Soup Digital Sound File dst unk PC-RDist Distribution File dst unk Embroidery Machines Graphics File dsw unk MS Developer Studio Workspace dsx unk Active Designer Binary File dt_ unk Macintosh Data File Fork dta unk Data (Various) dtd unk SGML Document Definition File dtea unk Diagnosis Template Archive dtf unk Q&A Database dtm unk DigiTrekker Module dtp unk SecurDesk! Desktop dtq unk Database Tools Query dun unk Dial-Up Network dv unk DESQview Script dvc unk Lotus File dvf unk DV Studio Camcorder Graphics File dvi unk TeX Device Independent Document dvp unk DESQview Program Information dvr unk Device Driver dw2 unk DesignCAD Drawing File dwc unk Compressed Archive dwd unk DiamondWare Digitized File dwf unk Autodesk WHIP! Drawing Web File dwg unk AutoCAD Drawing Database dwp unk Dweep Game Levels dws unk Dyadic Workspace File dwt unk AutoCAD Template/Prototype File dwy unk Dwyco Video Clip dx unk Document Imaging File, JCAMP-DX dxb unk Drawing Interchange Binary dxf unk AutoCAD Drawing Interchange Format dxn unk Fujitsu dexNet Fax Document dxr unk Macromedia Director Protected Movie File dyn unk Lotus File e00 unk ArcInfo Coverage Export File e01 unk Encase Forensic Software eac unk EmEditor Auto Completion File eal unk Enfocus Action List ebj unk Geoworks Error Checking Object File ebo unk Microsoft Reader Ebook Format ebs unk WindowsXP Scanner File ecc unk Ecchi Role-playing Format (Generally X-rated Anime Fi ecw unk Ensoniq Waveset Format ecw2002puzzle unk EclipseCrossword Puzzle ecw2002words unk EclipseCrossword Word List ed unk EasyDraw CAD File (Japanese CAD program) ed5 unk EDMICS Graphics File ed6 unk EDMICS Graphics File eda unk Ensoniq ASR Disk Image edb unk ROOTS3 Geneological Data edc unk Kryptel (light) Decoder/Encoder edd unk FrameMaker Element Definition Document ede unk Ensoniq EPS Disk Image edk unk Ensoniq KT Disk Image edp unk Attachmate Extra! Session edq unk Ensoniq SQ1/SQ2/KS32 Disk Image eds unk Ensoniq SQ80 Disk Image edt unk VAX Edt Default Settings edv unk Ensoniq VFX-SD Disk Image eeb unk WordPerfect Equation Editor Button Bar efa unk Ensoniq ASR File efe unk Ensoniq EPS File efk unk Ensoniq KT File efq unk Ensoniq SQ1/SQ2/KS32 File efs unk Ensoniq SQ80 File eft unk Chiwriter High Res Screen Characters efv unk Ensoniq VFX-SD File efx unk Everex EFax Fax Document ega unk Ventura EGA Screen Characters el unk eMacs Lisp Source Code elc unk eMacs Lisp Byte-compiled Source Code elf unk Black Belt Systems Extended Layer File eli unk Encyclopedia Article List elm unk MS FrontPage Theme-Pack File elt unk Event List Text email unk Outlook Express Mail Message emb unk Brookhaven PDB embl unk Brookhaven PDB emd unk ABT Extended Module emf unk Extended Windows Metafile Format eml unk MS Outlook Express Electronic Mail emr unk Emrite (Wordprocessor file) ems unk PC Tools Enhanced Menu System Config emu unk Emulation emx unk Enigmacross Puzzle File emy unk Eericsson Ringtone enc unk UUENCODE Encoded File end unk Corel Arrow Definition enf unk RCEncrypt File eng unk Dictionary enl unk Endnote Library File (for research papers) enr unk Enroute Toolath env unk WordPerfect Environment eot unk MS WEFT Embedded OpenType File ep2 unk EclipsePackager Package epd unk Express Publisher Publication File epi unk Express Publisher Document File epl unk Tallyman E-commerce Software? eps unk Encapsulated PostScript eqn unk WordPerfect Equation er1 unk ERWin File erd unk Entity Relationship Diagram erm unk Entity Relationship Diagram Model erp unk British Economics & Social Research Council Electroni err unk Error Log (various) erx unk ERWin File es unk EasySIGN Drawing Sheet esf unk Emblaze Audio File esh unk Extended Shell Batch File esi unk Esri Plot File esl unk MS Visual FoxPro Distributable Support Library esp unk Ventura File ess unk The Scientific Word Processor Style Sheet est unk MS Streets & Trips 2001 Trip File esy unk EmEditor Syntax File eta unk eTreppid Audio File (eTplayer & ETVC media CODEC) etc unk eTreppid Compressed File eth unk Ethnograph Document File etm unk eTreppid Audio File (eTplayer & ETVC media CODEC) etv unk eTreppid Audio File (eTplayer & ETVC media CODEC) etx unk SetText Structure Enhanced Text euc unk Japanese (Kanji) eui unk Ensoniq EPS Family Compacted Disk Image ev2 unk Java File eva unk Viz Modeler 3D Scene Archive (used for TV graphics) evt unk PC Tools Event File Scheduler evy unk Envoy Document ewb unk Electronics Workbench ewd unk Express Publisher for Windows Document ewl unk MS Encarta Document exc unk QEMM Exclude File exe unk Executable File exm unk HP Calculator Executable exp unk ICQ Saved Chat File ext unk Norton Commander Extension File exx unk IBM LinkWay MsgPut Intermediate File eyb unk Encyclopedia Yearbook File ezc unk EZScreen Screen Saver Editor exf unk Calculus EZ-Fax Fax ezm unk Text File (From some mailing lists) ezs unk Sunburst Technology Easy Sheet Document ezt unk Sunburst Technology Easy Sheet Template f unk Compressed Archive File (UNIX) f01 unk Perfect Fax Document f06 unk DOS 6 Pixel Screen Font f07 unk DOS 7 Pixel Screen Font f08 unk DOS 8 Pixel Screen Font f09 unk DOS 9 pixel Screen Font f10 unk DOS 10 Pixel Screen Font f11 unk DOS 11 Pixel Screen Font f12 unk DOS 12 Pixel Screen Font f13 unk DOS 13 Pixel Screen Font f14 unk DOS 14 Pixel Screen Font f15 unk DOS 15 Pixel Screen Font f16 unk DOS 16 Pixel Screen Font f2r unk Farandoyle Linear Module Format f3r unk Farandoyle Blocked Module Format f32 unk Raw 32-bit IEEE Floating Point Values f64 unk Raw 64-bit IEEE Floating Point Values f77 unk FORTRAN 77 Program f90 unk FORTRAN Program f96 unk Frecom FAX96 Document fa1 unk DATAIR FAS 87/132 Reporter Data File fa2 unk DATAIR FAS 87/132 Reporter Custom text File fac unk FACE Graphic fam unk Maxis File (unverified) faq unk Frequently Asked Questions far unk Farandoyle Tracker Music Module fas unk 3D Fassade Plus Basic Module fav unk MS Outlook Bar Shortcuts fax unk Fax File (various - often TIFF format) fbm unk Fuzzy Bitmap fbs unk File Burner Skin fc unk Harvard Dictionary (Harvard Graphics taken over by Se fcd unk Virtual CD-ROM fcm unk Forward Compression Binary File Patch fct unk Foxpro Catalog fcw unk Campaign Cartographer 2 File fd unk FORTRAN Declarations fdb unk Navison Financials Database fdf unk Adobe Acrobat Forms Document fdr unk Final Draft Document File fdw unk F3 Design and Mapping Document Form fdx unk Force Index feb unk WordPerfect Figure Editor Button Bar fem unk CADRE Finite Element Mesh File fep unk MS WEFT Embedding Project fex unk Focus File ff unk AGFA CompuGraphics Outline Font Description ffa unk MS Fast Find File fff unk GUS PnP Bank ffl unk MS Fast Find File ffo unk MS Fast Find File fft unk DCA/FFT Final Form Text ffx unk MS Fast Find File fga unk Folder Guard Attributes fgd unk Folder Guard Data fgp unk Folder Guard Passwords File fh3 unk Aldus Freehand 3 Drawing fh4 unk Aldus Freehand 4 Drawing fh8 unk Macromedia Freehand 8 fh9 unk Macromedia Freehand 9 fi unk FORTRAN Interface File fif unk Fractal Image Format fig unk XFig picture fil unk dBase Files List Object fim unk Construsyc/Instasyc File fin unk WordPerfect Print Format Text fio unk ULead Viewer Support File fire unk FireStarter Project File fish unk 3d Fish Tank Saved Fish fishes unk 3d Fish Tank Saved Fishes fishtank unk 3d Fish Tank Saved Fishtank fit unk FITS Graphic fix unk Generic Patch File fky unk Foxpro Macro fla unk Macromedia Flash Movie flb unk Papyrus Format Library flc unk AutoDesk FLIC Animated Picture fld unk Charisma Folder flf unk Corel Paradox Form fli unk Autodesk FLIC Animation fll unk Foxpro Library flm unk AutoCAD Film flo unk MicroGrafx FlowCharter File flp unk Fruityloops Saved File flr unk Live3D File fls unk Farrukh Imposition Purlisher Filelist Document flt unk Corel Graphic Filter flx unk Image File fm unk Adobe FrameMaker Document fm1 unk Lotus Spreadsheet File fm3 unk 1-2-3 Format File fmb unk WordPerfect File Manager Button Bar fmd unk Open Access File fmf unk IBM LinkWay Font or Icon fmk unk PowerStation FORTRAN Make File fml unk GetRight File Mirror List fmo unk dBase Ordered Format fmp unk FileMaker Pro Document fmt unk Format File fmv unk Frame Vector Metafile fmx unk Oracle Executable Form fn3 unk Harvard Graphics Font (Harvard Graphics taken over by fnd unk MS Explorer Saved Search fng unk Font Navigator Group File fnk unk FunkTracker Module fno unk Folio Infobase fnt unk Font File (Windows 3.1) fnx unk Exact Inactive Font fo1 unk Borland Turbo C Font fo2 unk Borland Turbo C Font fog unk Fontographer Font fol unk 1st Reader Saved Message Folder fon unk Font File for unk FORTRAN Source fot unk Installed TrueType Font fox unk FoxBase File fp unk FileMaker Pro File fp1 unk Flying Pigs for Windows Data fp3 unk FileMaker Pro File fp5 unk FileMaker Pro Document fpa unk Franklin Potter Associates Business Invoice Designer fpc unk FoxPro Catalog File fpf unk Canadian Flight Wizard (flight planning software) fpt unk FileMaker Pro File fpw unk FloorPlan Plus Floorplan Drawing fpx unk FlashPix Bitmap fqf unk FlashFXP Queue File fr3 unk dBase IV Renamed dBaseIII+ Form frf unk FontMonger Font frg unk dBase IV Uncompiled Report frl unk FormFlow File frm unk Form File fro unk dBase IV Compiled Report frp unk PerForm Pro Plus Form frt unk FoxPro Report File frx unk Visual Basic Binary Form File frz unk FormFlow File fsc unk Campaign Cartographer 2 File fsf unk Convert It! Factor File fsl unk Borland's Paradox 7 Forms fsm unk Farandoyle Sample Format fst unk FastStats Analyzer File fsx unk Lotus 1-2-3 Data ft unk Lotus Notes Full Text Index ftb unk Roots3 Index File ftg unk Windows Help Full-text Search Group File ftm unk Family File ftp unk FTP Configuration Information fts unk Windows Help Full-Text Search Index File ftv unk Forest & Trees File ftw unk Family File fu unk F* You Software Key Generator (Software protection br fuzzy unk Fuzzy Logic File fvf unk Fluke View fw unk Framework Database fw2 unk Framework II File fw3 unk Framework III File fw4 unk Framework IV File fwl unk FileWrangler EXE Library fws unk FileWrangler Data File for File Splitting Configurati fx unk FastLynx On-Line Guide fxd unk WinFax Sent Document (TIFF format) fxi unk File-Ex File fxo unk Fax Image Document fxp unk FoxPro Compiled Source fxr unk WinFax Received Document (TIFF format) fxs unk WinFax Fax Transmit Graphic fzb unk Casio FZ-1 Bank Dump fzf unk Casio FZ-1 Full Dump fzv unk Casio FZ-1 Voice Dump g unk Applause Data Chart g3 unk G3 FAX File g32 unk GFA BASIC 32 Program File g3f unk Zetafax TIFF File (fine resolution) g3n unk Zetafax TIFF File (normal resolution) g4 unk GTX RasterCAD File g8 unk PicLab Plane Three Graphics gac unk Global Audio Control Skin gal unk Gallery of Pictures gam unk GammaFax Fax Document gat unk Gator File gau unk Gaussian Input gb unk Chinese gba unk Nintendo® Game Boy Advance ROM Image gbc unk Nintendo® GameBoy Color Emulator ROM Image File gbl unk VAXTPU Global Definitions (VAXTPU is default OpenVMS gbt unk Photoshop File gc unk Sierra Print Artist File gc1 unk Golden Common Lisp Source Code gc3 unk Golden Common Lisp Source Code gca unk GOCA Graphics File gcd unk Generic CADD Drawing gcf unk WinXComp Grouped Compressed File gci unk GTA2 Game File gcm unk GeoConcept Map File gcp unk Ground Control Point File (map projection) gdb unk Interbase Database gdf unk GEOS Dictionary gdm unk Bells, Whistles, and Sound Boards Module gds unk Image File ged unk GEDCOM Family History File gem unk GEM (a desktop interface) File gen unk Ventura-Generated Text File geo unk VideoScope File gfa unk Bitmap Graphics File gfb unk GIFBlast Compressed GIF Image gfc unk Patton & Patton Flowcharting 4 File gfi unk Genigraphics Graphics Link Presentation gft unk NeoPaint Font gfx unk Genigraphics Graphics Link Presentation gho unk Symantec Ghost Disk Image File ghs unk Lasertank High Scores gib unk Graph-in-the-Box Chart gid unk Windows Help Index File gif unk Graphic Interchange Format gig unk Sound File gim unk Genigraphics Graphics Link Presentation giw unk Graph-in-the-Box Presentation gix unk Genigraphics Graphics Link Presentation gjd unk T7g Game (unverified) gkh unk Ensoniq EPS Family Disk Image gks unk Gravis GripKey Document gl unk GRASP - Graphical System for Presentation File glm unk Glim Data File gly unk MS Word Glossary gmf unk Applause CGM Graphics gmp unk GTA2 Game File gmr unk Schlafhorst Automation Graphical Monitor Record gna unk Genigraphics Graphics Link Presentation gno unk Genopro Genealogy Document File gnt unk Micro Focus Generated Code gnx unk Genigraphics Graphics Link Presentation gob unk Dark Forces Game File goc unk Geoworks Goc Source Code goh unk Geoworks Goc Header gp unk Geoworks Glue Geode Parameter File gp3 unk CCITT Group 3 File (fax) gp4 unk CCITT Group 4 File (fax) gpf unk Believed to be a Japanese graphic file gpg unk GnuPG Encrypted File (usually compatible with .PGP fi gph unk Lotus 1-2-3 Graph gpk unk Omnigo Program Package gpp unk GraphPap Graph Paper File gr3 unk Windows 3.0 Screen Grabber gra unk Flight Simulator File grb unk MS-DOS Shell Monitor grd unk Gradebook Power File grf unk Graph grn unk Granny 3D Rendering Program grp unk Windows Program Manager Group grq unk Quickstep Barco Graphics grs unk Packedge Barco Graphics grv unk Groove Networks File grx unk GetRight File List gry unk Picture File (raw GREY graphics) gs1 unk GraphShow Presentation gsd unk Professional Draw Vector Graphics gsm unk Raw GSM 6.10 Audio Stream gsp unk Geometer's Sketchpad Material File gsw unk GraphShow Worksheet gt2 unk Graoumftracker Music Module (new) gtk unk Graoumftracker Music Module (old) gtp unk GuitarPro File gty unk Gibson Tray File gup unk PopMail Data gwp unk Greetings WorkShop File gwx unk Genigraphics Graphics Link Presentation gwz unk Genigraphics Graphics Link Presentation gx1 unk Show Partner Graphics File gx2 unk Show Partner Graphics File gxl unk Genus Graphics Library gxt unk GTA2 Game File gz unk Gzip Compressed Archive h unk Header (Usually C Compiler) h! unk Flambeaux Tutorial Database h++ unk C++ Header File h-- unk Sphinx C-- Header File ha unk Compressed Archive ham unk Image File hap unk Compressed Archive hbk unk Mathcad Handbook hcm unk IBM HCM Configuration hcr unk IBM HCD/HCM Production Configuration hda unk HotDocs Document hdf unk Hierarchical Data Format File hdl unk Procomm Plus Alternate Download File Listing hdr unk Procomm Plus Message Header hdw unk Harvard Draw Vector Graphics hdx unk Help Index (Various) hed unk HighEdit Document hel unk MS Hellbender Saved Game hex unk Hex Dump hfi unk HP Font Info hfx unk HotFax File hgl unk HP Graphics Language (plotter) hh unk C++ Header hhc unk Table of Contents File (HHW Application) hhh unk Power C Precompiled Header hhk unk Help Workshop Index File hhp unk Procomm Plus Help Data hhp unk HTML Help Project hin unk HyperChem Molecule hit unk HitPlayer Audio File hjt unk TreePad Hypertext Database File hlb unk VAX Help Library hlp unk Windows Help File hm2 unk Help&Manual Help File Project hmi unk Descent Human Machine Interfaces MIDI File hmm unk Procomm Plus Alternate Mail Read Option Menu hmp unk Descent Human Machine Interfaces MIDI File hnf unk Humax Receiver Settings hof unk Hall Of Fame (scores) hog unk Lucas Arts Dark Forces WAD File hot unk The Sims (Maxis) Sound File hp unk HP Graphics Language (plotter) hp8 unk HP NewWave Write ASCII Roman8 Character Set hpf unk PageMaker HP LaserJet Fonts hpg unk HP Graphics Language (plotter) hpgl unk HP Graphics Language (plotter) hpi unk Gem Font Information hpj unk Help Project File hpk unk Compressed Archive hpl unk HP Graphics File hpm unk Procomm Plus Alternative Menu hpp unk C++ Program Header hpr unk RoboHELP Configuration File hqx unk Binhex Text Conversion File (Macintosh) hrf unk Hitachi Raster Format Graphic hrl unk Herolab EasyWin32 hpm unk Procomm Plus Alternate Main Menu hpp unk Zortech C++ Header hpr unk RoboHelp Configuration hqx unk Macintosh BinHex 4 Compressed Archive hrm unk Procomm Plus Alternate Main Menu hrx unk Herolab EasyWin32 hrz unk Image File hs unk Hugs Source Code hs2 unk Postering Monochrome Image hsc unk HelpScribble Project hsi unk Handmade Software Graphic File hsm unk The Sims (Maxis) Sound File hsq unk Data File Associated with Qaz Trojan hss unk Photoshop Hue/Saturation Information hst unk History File ht unk HyperTerminal hta unk Hypertext Application (run apps from HTML doc) htf unk WebBase File hti unk WebBase File htm unk Hypertext Markup Language (HTML) htt unk Hypertext Template htx unk Extenended Hypertext Template hus unk Husqvarna Designer I Embroidery Machine Format huy unk Eto Dlia Vas hwd unk Hollywood Presentation File hwp unk Hangul (Korean) Word Processor File hxm unk Procomm Plus Alternate Protocol Selection Menu hxx unk C++ Header hy1 unk Ventura Publisher Hyphenation Algorythm hy2 unk Ventura Publisher Hyphenation Algorythm hyc unk WordPerfect Hyphenation File hyd unk WordPerfect Hyphenation Dictionary hyp unk Hypertext File hz unk Chinese i unk Progress Include File iaf unk MS Outlook 97 and 2000 E-mail Account Settings ian unk Sterling Software COOL Business Team Model File Sterl iax unk IBM Image Access Executive Bitmap iba unk MDE InfoHandler Infobase File ibm unk Image File ica unk Citrix File icb unk Targa Bitmap icc unk Kodak Printer Image icd unk IronCAD 2D CAD File ice unk Archive File icl unk Icon Library File (various) ImageForge/IconForge icm unk Image Color Matching Profile File icn unk Icon Program ico unk Icon ics unk Outlook Calendar File id unk Disk Identification File ida unk MS Server File (default.ida is attacked by the Code R idb unk MS Developer Intermediate File idd unk MIDI Instrument Definition ide unk Integrated Development Environment Configuration File idq unk Internet Data Query File idw unk Aldus IntelliDraw Vector Graphic idx unk Index (multiple programs) ief unk Image File ies unk Photometric File Data ifd unk Jet Form Design Form iff unk Graphic, Sound (Interchangeable File Format) ifo unk DVD Info File (contains menus and other information) ifp unk KnowledgeMan Script ifs unk OS/2 System File igf unk Inset Systems Metafile igp unk Igor Reader Sheet Music File igs unk IGES-Format iif unk QuickBooks for Windows Interchange File iii unk Intel Phone Compatible il unk Icon Library ilb unk Scream Tracker Data ilk unk MS ILink Program Format Outline im8 unk Sun Raster Graphic ima unk WinImage File imf unk ImageForge/ImageForge Image EXE Library img unk Bitmap Graphic (several programs) imp unk Urban Chaos Game File imq unk ImageQ Presentation imv unk Yahoo Instant Messenger IMVironment imw unk Imageware Surfacer 3D CAD Surface Geometry in$ unk HP NewWave Install File inb unk Vermont HighText Script inc unk Include File (various) ind unk dBase IV or DataPerfect Index indd unk Adobe Indesign Document inf unk Information or Setup File (many) ini unk Initialization file (many) ink unk Pantone Reference File inl unk MS Visual C++ Inline Function File inp unk Oracle Source Code ins unk Internet Communication Setting int unk Borland Interface Units inter unk Interspector Project File into unk Interspector Object File inx unk Foxbase Index io unk Compressed Archive iob unk Imagine File ioc unk Instant ORGcharting! Organization Chart iof unk Findit Document ion unk Text Program/Installation Description ip unk IconPackager Icon Set ipd unk InstallPROG 6 EDBS Install Database ipf unk Microsoft SMS Installer Script (with System Managemen ipl unk Corel Pantone Spot Reference Palette ipr unk IntelliJ Project XML File ipx unk Interactive Pictures Corporation AV File iqy unk Excel Web Query irs unk WordPerfect Resource File isd unk RapidFile Dictionary ish unk Compressed Archive File iso unk File List for CD-ROM isp unk X-Internet Sign-up File iss unk InstallShield Response File ist unk Digitrakker Instrument File (by n-FaCToR) isu unk InstallShield Uninstall Script it unk Impulse Tracker Music Module itf unk Inside Tract File iti unk Impulse Tracker Instrument its unk Internet Document Set iv unk VRML File ivf unk Indeo Video File iw unk Iconware Application iwa unk IBM Writing Assistant Text iwc unk Installwatch Database (install monitor) iwp unk Wang Text File ix unk Framemaker Index File izt unk Izl Binary Token j62 unk Ricoh Camera File jar unk Java Archive File jas unk Compressed Graphic jav unk Java Source Code java unk JBuilder Java File jbc unk Jam Byte-Code Hex File (8051 Microprocessor File) jbd unk SigmaScan Data File jbf unk Paint Shop Pro Browser File jbx unk Project Scheduler File jc! unk FlashGet File jdb unk Siren Jukebox jde unk Cariverona jdf unk Turok 2 Game File jdx unk JCAMP-DX jef unk Janome NH10000 Sewing Machine File jet unk Hybrid JetFax Fax jff unk JPEG Image jfi unk Image File jfx unk J2 Fax File jif unk JPEG Image jis unk Japanese jlf unk JetLinks Bookmark Managment jmp unk SAS JMPDiscovery Chart-to-statistics File jms unk Voxtron TeleButler Graphical Voice Response Call Flow jn1 unk Epic MegaGames Jill of the Jungle Data File jnb unk Sigma Plot Workbook File jng unk JPEG Network Graphic jnl unk Ingres Journal File job unk Job File jor unk MS SQL Server Journal File jpc unk Picture File (Japanese) jpe unk JPEG Image jpg unk JPEG Image jpl unk Siren Jukebox js unk JavaScript Source Code jsb unk Henter-Joyce, Inc. Jaws Script Binary File (Screen re jsd unk eFAX Jet Suite Document jse unk JScript Encoded Script File jsh unk Henter-Joyce, Inc. Jaws Script Header File (Screen re jsl unk PaintShop Pro File jsm unk Henter-Joyce, Inc. Jaws Script Message File (Screen r jsp unk Java Server Page jss unk Henter-Joyce, Inc. Jaws Script Source File (Screen re jt unk JT Fax jtd unk Ichitaro 11 (major Japanese word proccesser) jtf unk JPEG Tagged Interchange Format Image jtk unk Sun Java ToolKit File jtp unk JetForm File jvc unk Digital Camera File jw unk Justwrite Text jwl unk Justwrite Text File Library jzz unk Jazz Spreadsheet k25 unk Kurzweil 2500 Sample kar unk Karaoke MIDI File kau unk KeyAudit Software Audit kb unk Borland C++ Keyboard Script kbd unk Keyboard Script File Layout (various) kbi unk Keirsey-Bates Temperament Sorter Index kbm unk Reflection Keyboard Script File Layout kbp unk Keirsey-Bates Temperament Sorter Profile kbr unk Keirsey-Bates Temperament Sorter Data kcl unk Kyoto Common LISP Source Code kcp unk Keychamp File kdc unk Kodak Photo-Enhancer ked unk KEDIT Profile and Macro File (DOS-based version of IB kex unk KEDIT Macro File key unk Keyboard Macros kfx unk KoFax Group 4 Image kix unk KixTart Script (Win NT login scripts) kiz unk Kodak Digital Postcard File kkw unk RoboHELP Keyword Help project Index File kmp unk Korg Trinity KeyMaP File kno unk Personal Knowbase File kos unk MicroType Pro Document kpp unk SmartPad Toolpad kps unk IBM KIPS Bitmap kqp unk Konica Camera File kr1 unk Kurzweil 2000 Sample (multi-floppy) kry unk Herolab Krypten krz unk Kurzweil 2000 Sample ks unk SOF Game File Log ksc unk Korg Trinity Script kse unk Keepsake Studio Export File ksf unk Korg Trinity Sample ksh unk Prodigy Internet Registration File ktt unk KeyText Data File kumac unk Physics Analysis Workstation Macro File kyb unk Keyboard Layout kye unk Kye Game Data l unk LEX Program File la unk Lightscape Animation lab unk Mailing Labels lat unk Crossword Express Lattice File lay unk Applause Word Chart Layout lbg unk dBase IV Label Generator lbi unk Dreamweaver Library File lbl unk Labels (various) lbm unk Deluxe Paint Bitmap Graphic lbo unk dBase IV Ordered Labels lbr unk Compressed Archive File lbs unk Omnis Studio Application File lbt unk Foxpro Label Memo lbx unk Foxpro Label lcd unk CDspace CD Emulator lcf unk Linker Control File lch unk PagePath Technologies LAUNCH! File lck unk MS Frontpage-related File lcl unk FTP Software Data lcn unk WordPerfect Dictionary File lcs unk ACT! History File lcw unk Lucid 3-D Spreadsheet ld unk Telix Long Distance Codes ld1 unk dBase Overlay File ldb unk MS Access Lock File ldd unk Laser Dispatch Data ldf unk LuraDocument File ldl unk Corel Paradox Delivered Library lds unk Laser Dispatch Script leg unk Legacy Graphic Format lep unk Label and Envelope Designer Plus 2000 les unk Learn Lesson File let unk Letter lev unk Worms Armageddon Map lex unk Lexicon (dictionary file) lfa unk LifeForm File lfl unk LucasFilm Library lfm unk LifeForm File lfp unk LifeForm File lfq unk LeechFTP Queue File lft unk Chiwriter Laser Printer Font lg unk Logo Procedure Definition lgc unk Program Use Log File (for Windows Program Use Optimiz lgf unk legal Eagle Text File lgo unk SuperFax Header/Footer Logo lgp unk Logotron SuperLogo File lgt unk Urban Chaos Game File lha unk Compressed Archive File (LZH) lhs unk Literate Haskell Source File lhw unk Compressed Amiga Archive File lhz unk LHA Compressed Archive File lib unk Program Library (diverse programmers' languages) lic unk License File (various Shareware) lid unk WinDVD File lif unk Compressed Archive File lim unk Limit Compressed Archive lin unk AutoCAD Line Art lis unk VAX Program Listing lit unk MS Reader EBook File lix unk Logos Book File lj unk Text File for HP LJ II Printer lko unk MS Outlook Express Linked Object ll3 unk LapLink III Document File llc unk LapLink Saved Connection File llx unk Laplink Exchange Agent lm8 unk Picture File lmd unk Tune Smithy List of Modes for a Musical Scale lnb unk Logomanager File lnd unk 3D Landscape Data lnk unk Linker File lns unk LinkStash Bookmark File lod unk Load File (various) log unk Log File (many different programs) lok unk FileWrangler/ZipWrangler/SecurDesk! Encrypted Archive lp unk LP88 Linear Programming for the IBM-PC File lpa unk LPA-View Laser Particle Analyser Test Analysis Softwa lpb unk LP88 Linear Programming for the IBM-PC File lpd unk Helix Nuts and Bolts File (Helix Software now part of lpi unk Live Pictures lqf unk Leech FTP Save Queue File lqt unk Winamp File lrc unk Intel Video Phone File lrf unk MS C/C++ Linker Response File lrm unk Microsoft Encarta Class Server Learning Resource lrs unk WordPerfect Language Resource File ls unk Lightscape Solution File lsc unk Tune Smithy List of Muscial Scales lsf unk Streaming Audio/Video File lsl unk Corel Paradox Saved Library lsp unk LISP Program File lss unk Legato Spreadsheet lst unk Listing or List (e.g., packing list) lsx unk Streaming Audio/Video Shortcut ltg unk Lasertank Bitmap Graphics ltm unk Lotus Form ltr unk Letter lu unk ThoughtWing Library Unit File lvl unk Parallax Miner Descent/D2 Level Extension lvp unk Lucent Voice Player (Intuity Audix Multimedia Messagi lwd unk LotusWorks Text Document lwf unk LuraWave-compressed Graphic File lwo unk NewTek Lightwave® Object lwp unk Lotus Wordpro 96/97 File lws unk NewTek Lightwave® Object Layout lwv unk MS Linguistically Enhanced Sound File lyr unk DataCAD Layer File lyt unk TurboTax Log File lzd unk Binary Difference File lzh unk Compressed Archive File lzs unk Compressed Archive File lzw unk Compressed Amiga Archive File lzx unk Compressed File m unk Matlab Function m?? unk Ingres Modify Table/Index File (?? = Hex 00 to FF) m11 unk MASS11 Text File m18 unk Accolade Golf Course File m1v unk MPEG File m2v unk MPEG-2 File m3 unk Modula 3 Program File m3a unk MPEG Archive Enhanced .M3U Playlist File m3d unk 3D Animations Macro m3u unk MPEG URL m4 unk UNIX M4 Preprocessor File m8 unk Heretic II Game File ma3 unk Harvard Macro (Harvard Graphics taken over by Serif) mac unk MacPaint Bitmap Graphic mad unk MS Access Module Shortcut maf unk MS Access Form Shortcut mag unk MPS Magro Paint System Graphic mai unk VAX Mail mak unk Make File (compiler project file) mam unk MS Access Macro Shortcut man unk Manual map unk Image maq unk MS Access Query Shortcut mar unk MS Access Report Shortcut mas unk Focus Master Data Definition mat unk Sound File mav unk MS Access View Shortcut maw unk MS Access Data Access Page max unk Kinetix's 3D Studio MAX Scene maz unk Hover Maze Data mb unk Paradox Memo Holder mb1 unk Apogee Monster Bash Data File mbd unk Multimedia Builder MP3 Authoring File mbx unk Mailbox Message File (Outlook v1-4 or Eudora) mcc unk Mathcad Configuration mcd unk Mathcad Document mcf unk Mathcad Font mci unk Media Control Interface Command Set mcl unk Multimedia Manager Collection File mcp unk Mathcad Printer Driver mcr unk DataCAD Keyboard Macro File mcs unk MathCAD Format File mcw unk MacWrite II Macintosh Text File mcx unk Graphic File md unk Compressed Archive File mda unk MS Access Add-in mdb unk MS Access Database mde unk MS Access Database File mdf unk Menu Definition File mdl unk Digitrakker Music Module (by n-FaCToR) mdm unk Telix Modem Definition mdn unk MS Access Blank Database Template mdp unk MS Developer Studio Project mdt unk MS Access Add-in Data mdw unk MS Access Workgroup Information mdx unk dBase IV Multiple Index mdz unk MS Access Wizard Template me unk Information (e.g., READ.ME) meb unk WordPerfect Macro Editor Bottom Overflow File med unk WordPerfect Macro Editor Delete Save mem unk WordPerfect Macro Editor Macro men unk Menu meq unk WordPerfect Macro Editor Print Queue mer unk WordPerfect Macro Editor Resident Area mes unk Message File met unk WordPerfect Macro Editor Top Overflow File meu unk DOS Shell Menus mex unk Matlab Executable Command mez unk RealArcade Game Information mf unk MetaFont Text File mfa unk MS Site Server 3.0 Report Definition mff unk MIDI File Format mgc unk MGCSoft Equation Editor File mgf unk Image File mgm unk MGCSoft Equation Editor Macro File mgx unk Micrografx Picture Publisher Clipart mh unk Graphic File mhg unk Multimedia File mht unk MS MHTML Document (Archived Web Page) mi unk Miscellaneous mib unk Management Information Base File (SNMP Management Pro mic unk MS Image Composer File mid unk MIDI File mif unk MIDI Instrument mii unk MicroStat II Data File mil unk Group 4 Fax File mim unk Multi-Purpose Internet Mail Extensions (MIME) File mio unk mexReader Multimedia File mix unk Power C Object File mk unk Make File mke unk Make File mki unk Picture File mks unk Tact Data ml3 unk Milestones 3.x Project mlb unk Macro Library mli unk Encyclopedia Media List mlk unk Sierra Mastercook File mls unk Miles Sound Tools Compressed DLS mm unk Macro Mania Macro mmb unk MultiMedia Builder mmc unk Media Catalog mme unk Multi-Purpose Internet Mail Extensions (MIME) File mmf unk Meal Master Format mmi unk Memo Open Client mml unk Mail Meta Language mmm unk Animation MS Multimedia Movie mmo unk RapidFile Memo Writer mmp unk MindManager Player Play List File mms unk Miles Sound Tools (Midi+DLS/MLS) mmw unk Microsoft Media Content mmx unk Command & Conquer Red Alert 2 Map File mmz unk MusicMatch Theme File mn2 unk Descent2 Mission File mn3 unk Descent3 Mission File mn4 unk Microsoft Money Database (older version) mnd unk AutoCAD Menu Program File mng unk Animation Shop Animation mnt unk Foxpro Menu Memo mnu unk Menu File (various) mnw unk Menu File (various) mnx unk AutoCAD Compiled Menu File mny unk MS Money File mob unk Device Definitions mod unk Music File (various) model unk Catia File mol unk MDL MOL mon unk ReadMail Monitor mop unk MOPAC Input mov unk QuickTime Video Clip moz unk Netscape Temp File mp unk Multiplan File mp1 unk MPEG Audio Stream, Layer I mp2 unk MPEG Audio Stream, Layer II mp3 unk MPEG Audio Stream, Layer III mpa unk MPEG Audio Stream, Layer I, II or III mpc unk MS Project Calender mpd unk Mini Port Driver mpdex unk MPdex MP3 Database Utility mpe unk MPEG Movie Clip mpe.exe unk MP3 Digital Player Wrapper mpeg unk MPEG Movie mpf unk Microsoft Design Gallery mpg unk MPEG Animation mpga unk Mpeg-1 Layer3 Audio Stream mpj unk RoboHTML Project mpk unk Augmented MS-Project File mpm unk WordPerfect MathPlan Macro mpo unk Augmented MS-Project File mpp unk MS Project File mpq unk Blizzard Game Data File mpr unk Foxpro Program mps unk Multimedia File mpt unk MS Project Template File mpv unk MS Project View mpx unk Foxpro Compiler Menu mrb unk MS C++ Multiple Resolution Bitmap Graphic mrc unk MIRC Script File mri unk MRI Scan mrk unk Informative Graphics Markup File mrs unk WordPerfect Macro Resource File ms unk Checksum File for Anti-Virus msa unk Magic Shadow Archive msc unk Microsoft Common Console Document msg unk Program Message msh unk MASH (The Microsoft Agent Scripting Helper) msi unk Windows Installer File msk unk Autodesk Mask File msn unk MS Network Document msp unk MS Paint Graphic File mss unk Manuscript Text File (various) mst unk Minispecification msw unk Word Text File mswmm unk Microsoft Windows Movie Maker Project (Part of WinME msv unk Sony Memory Stick Format msw unk MS Word Text File msx unk Compressed CP/M File Archive mth unk Derive Math File mtk unk Matrikon Software License File mtm unk Sound File mtv unk Picture File mtw unk Minitab Data File mu unk Quattro Menu muf unk ProtoMuck Multi User Forth Program mul unk Ultima Online Game mup unk Music Publisher File mus unk MusicTime Audio File mvb unk Database mve unk Interplay Video File mvf unk Movie Stop Frame File mvi unk AutoCAD Movie Command File mvw unk Saber LAN Log File mwf unk ProMotion Animation mwp unk Lotus Wordpro 97 Smartmaster File mws unk Maple Spreadsheet mxd unk GIS Project File (map information) mxm unk MS Project/Outlook Team Assign Task mxp unk Macromedia Extension Manager mxt unk MS C myp unk Make Your Point Presentation mys unk Myst Saved Game mz unk MOZART Music Document mzt unk MOZART Template File n1e unk OM2 OMALI NENA Encrypted Document Version 1 n2e unk OM2 OMALI NENA Encrypted Document Version 2 n3e unk OM2 OMALI NENA Encrypted Document Version 3 n4e unk OM2 OMALI NENA Encrypted Document Version 4 n64 unk Nintento 64® Emulation ROM Image nab unk Novell Groupwise Address Book nad unk Noder File (Polish) nan unk Nanoscope File nap unk NAP Metafile Vector Image nav unk MSN Application Extension nb unk Nota Bene Text File nc unk Graphics File ncb unk MS Developer Studio File ncc unk Computer Numeric Control File ncd unk Norton Change Directory ncf unk Netware Command File ndb unk Intellicom Network Database ndl unk Lotus Notes ndo unk 3D Low-polygon Modeler ndx unk Index (usually dBase compatible) ne1 unk OM2 OMALI NENA Document Version 1 ne2 unk OM2 OMALI NENA Document Version 2 ne3 unk OM2 OMALI NENA Document Version 3 ne4 unk OM2 OMALI NENA Document Version 4 neb unk Nortec H.E.L.P. 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Nero Hybrid CD-ROM Compilation nri unk Nero ISO CD-ROM Compilation nrm unk Nero Mixed-Mode-CD Compilation nrt unk Nokia RingTone nru unk Nero UDF/ISO CD-ROM Compilation nrv unk Nero Video-CD Compilation ns2 unk Lotus Notes 2 Database ns3 unk Lotus Notes ns4 unk Lotus Notes Database nsc unk Noder File (Polish) nsf unk Lotus Notes Database nsg unk Lotus Notes nsh unk Lotus Notes nsi unk Nullsoft Install System Script nso unk NetStudio Easy Web Graphics File nst unk Audio File nsx unk HiPer-Six Index File nt unk Windows NT Startup File ntf unk Lotus Notes Database Template ntp unk Neato CD Labels ntr unk Netrun Executable Text File nts unk Norton Tutorial ntx unk Clipper Index nuf unk Procomm Plus New User Message nw unk NoteWorthy 2 File nwc unk Noteworthy Composer Song File nws unk MS Outlook Express News File nxt unk NeXT Sound File o unk Object File (various) o01 unk Typhoon Voice File oab unk MS Outlook Address Book oaz unk OAZ Fax File ob unk IMB LinkWay Object File obd unk MS Office Binder obe unk MS Out Of Box Experience obj unk Relocatable Object Code (various) obr unk Borland C++ Object Browser Data File obs unk ObjectScript Script obv unk ObjectScript Visual Interface obz unk MS Office Binder Wizard oca unk Control Typelib Cache ocf unk Object Craft File ocr unk FAXGrapper FAX Text File ocx unk Object Linking and Embedding (OLE) Control Extension od1 unk Omnis5 Database File (also .OD2, .OD3, etc.) ode unk MS Office Object Data Embedding File odf unk Open Document Interchange odl unk Visual C++ Type Library Source ods unk MS Outlook Express Mailbox ofc unk Open Financial Connectivity File ofd unk ObjectView Form Defintion off unk Vector Graphic (Object File Format) ofm unk Adobe Font ofn unk MS Office FileNew File oft unk MS Outlook Item Template ofx unk Open Financial Exchange File ogg unk Ogg Vorbis Codec Compressed WAV File ogs unk Origin File oif unk QuickBase Web-sharable Database Interchange File okt unk Oktalyzer Tracker Module olb unk Object Library ole unk Object Linking and Embedding (OLE) Object oli unk Olivetti Text File omf unk Image File ond unk Lotus Notes-related File (unverified) onx unk Onyx Graphics Postershop File oom unk Shroom Swap File opc unk Beta 44 Job File opj unk OrCad Project File opl unk Psion Organiser Programming Language Source File opn unk Exact Active Options opo unk OPL Output Executable File opt unk QEMM Optimize opx unk MS Orgchart Organization Diagram oqy unk MS Excel OLAP Query File or2 unk Lotus Organiser 2 File or3 unk Lotus Organiser 97 File ora unk Oracle 7 Configuration orc unk MIDI File org unk Lotus Organiser File ori unk Original oss unk MS Office Saved Search ost unk MS Exchange/Outlook Offline File otb unk Nokia Phone Graphics Editor otl unk Super NoteTab Template File otp unk Origin File ots unk OtsJuke Sound File otx unk Olivetti Olitext Plus File out unk Outlines or Output File (various) ov1 unk Program File - Overlay ov2 unk Program File - Overlay ov3 unk Program File - Overlay ovd unk ObjectVision Datafile ove unk Cakewalk Overture Score ovl unk Program File - Overlay ovr unk Program File - Overlay ozm unk Sharp Organizer Memo Bank ozp unk Sharp Organizer Telephone Bank p unk PASCAL Program File p01 unk IsoBuster File p10 unk Tektronix Plot 10 Drawing p16 unk ProTracker Studio Music p22 unk Patch22 Patch File p65 unk Pagemaker 6.5 File p7c unk Digital ID File p7m unk PKCS #7 MIME Message (see Section 3.2 in RFC 2311) p7r unk Certificate Request Response p7s unk PKCS #7 Signature pa unk Print Artist pa1 unk PageAhead Worktable pab unk MS Personal Address Book pac unk SB Studio II Package pad unk Telemate Keypad Definition paf unk PARIS Audio Format pag unk Property Page File pak unk Compressed Archive File pal unk Color Palette pan unk Chromeleon Control Panel pap unk Tree Professional Palm Creator Image File par unk Fractint Parameter File pas unk Pascal Source Code pat unk AutoCAD Hatch Pattern pb unk WinFax Pro Phone Book pb1 unk First Publisher Document pba unk Powerbasic Source Code pbd unk PowerBuilder Dynamic Library pbf unk Turtle Beach Pinnacle Bank File pbi unk Profiler Binary Input pbk unk MS Phonebook pbl unk PowerBuilder Library pbm unk UNIX Portable Bit Map Graphic pbr unk PowerBuilder Resource pbo unk Profiler Binary Output pbt unk Profiler Binary Table pbx unk MS Outlook Express Message Folder pc unk PC-specific Text File pc3 unk Harvard Custom Palette (Harvard Graphics taken over b pc5 unk Rockwell Software Logix 5 File pc8 unk ASCII Text IBM-8 pcb unk Protel Technology Advanced PCB Design pcc unk PC Painbrush Image File pcd unk Photo-CD Image pce unk Eudora Mailbox Name Map pcf unk Profiler Command File pch unk Patch File pcj unk IBM Linkaway-Live Multimedia Tool Graphics pck unk Turbo Pascal Pick File pcl unk HP Printer Control Language pcm unk Sound File pcp unk Symantec Live Update Pro pcs unk PICS Animation pct unk Bitmap Graphic (Apple PICT Format Usually) pcw unk PC Write Text File pcx unk PC Paintbrush Bitmap Graphic pda unk Bitmap Graphic pdb unk Protein Data Base file pdd unk Adobe PhotoDeluxe Image pdf ign Printer Description pdg unk PrintShop Deluxe File pdi unk MS Powerpoint File pdl unk Borland C++ Project Description Language pdm unk Sybase Power Designer File pdn unk Plan de Negocio pdq unk Patton & Patton Flowcharting PDQ Lite File pdr unk Port or Printer Driver pds unk PDS Graphic pdt unk ProCite Primary Database pdv unk Paintbrush Printer Driver pdw unk Professional Draw Document pdx unk Paradox Files peb unk WordPerfect Program Editor Bottom Overflow File ped unk WordPerfect Program Editor Delete Save pem unk WordPerfect Program Editor Macro peq unk WordPerfect Program Editor Print Queue File per unk WordPerfect Program Editor Resident Area pes unk WordPerfect Program Editor Work Space File pet unk WordPerfect Program Editor Top Overflow File pf unk Monitor or Printer Profile File pf? unk SmartWare Project Source File (requires login) pfa unk Outline Font (ASCII) pfb unk Outline Font (Binary) pfc unk PF Component pfe unk Programmers File Editor pfk unk XTree Programmable Function Keys pfm unk Printer Font Metrics pfp unk Panorama Factory Project File pfr unk PaintShop Pro File pfs unk PFS:File Database / PFS:Write Text pft unk Chiwriter Printer Font pg unk IBM LinkWay Cut/Paste File pgd unk Pretty Good Privacy Virtual Disk File pgi unk PGraph Library Printer Device Driver pgl unk Graphics (Plotter) pgm unk Portable Graymap Graphic pgn unk Portable Game Notation (Used for chess) pgp unk Program Parameter pgs unk Man4DOS Manual Page pgx unk Binary Property Page File ph unk PERL Header phd unk PC Help Desk File phn unk UltraFax/QmodemPro Phone List pho unk Metz Phone Phone List php unk PHP Script phr unk NoExcuse Phrase Checker pht unk Partial Hypertext File (HTML fragments compiled into pic unk PC Paint Bitmap Graphic pif unk Windows Program Information File pig unk Lucas Arts Dark Forces WAD File pim unk PixMaker Project File pin unk Pushpin Set pit unk Macintosh Compressed Archive File pix unk PrintMaster Graphic File pj unk MKS Source Integrity File pjl unk ProCite Term Lists and Journal Title Lists pjt unk Foxpro Project Memo pjx unk Foxpro Project pk unk CoolEdit96 Graphical Waveform pk3 unk Quake 3 Arena File (Stores maps, etc. and is renamed pka unk Compressed Archive File pkb unk QuickPOS (Point-Of-Sale) Keyboard Layout File pkg unk MS Developer Studio Application Extension pko unk PublicKey Security Object pkr unk PGP Public Keyring pkt unk Fidonet Packet pl unk Harvard Palette (Harvard Graphics taken over by Serif pl1 unk 3D Home Architect Room Plan pl3 unk Harvard Chart Palette (Harvard Graphics taken over by plb unk Foxpro Library plb unk LogoShow Screensaver plc unk Lotus Add-in pld unk PLD2 Source File (program due out 1Q2001) plg unk REND386/AVRIL File pli unk Oracle 7 Data Description pll unk Clipper Prelinked Library plm unk DisorderTracker2 Module pln unk WordPerfect Spreadsheet File plr unk Descent Pilot File pls unk 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unk Persistence of Vision Ray-tracer pow unk PowerChords Chord Chart pp unk Compressed Amiga Archive File pp4 unk Picture Publisher pp5 unk Picture Publisher ppa unk PowerPoint Add-in ppb unk WordPerfect Print Preview Button Bar ppd unk PostScript Printer Description ppf unk Turtle Beach Pinnacle Program File ppi unk MS PowerPoint Graphics File ppl unk Harvard Polaroid Palette Plus ColorKey Driver (Harvar ppm unk PBM Portable Pixelmap Graphic ppo unk Clipper Preprocessor Output ppp unk Serif PagePlus Publication pps unk PowerPoint Slideshow ppt unk PowerPoint Presentation ppx unk Serif PagePlus Publication ppz unk PowerPoint Packaged Presentation pq unk Adobe Pagemaker Default Printer Style pqi unk Power Quest Drive Imaging Software pqx unk Power Quest DRive Image Index pr2 unk Persuasion Presentation pr3 unk dBase IV PostScript Printer Driver prc unk Palmpilot Resource File prd unk Printer Driver pre unk Freelance Presentation prf unk Preferences File (various) prg unk Program File (various) pri unk LocoScript Printer Definitions prj unk Project File (various) prk unk Tony Hawk's Pro Skater 2 Saved Park prm unk Parameter File prn unk Printer Text File (various) pro unk Profile prs unk Printer Resource File prt unk Printer Configuration (various) prv unk PsiMail Internet Provider Template prx unk Foxpro Compiler Program prz unk Freelance Graphics 97 File ps unk PostScript psb unk Pinnacle Sound Bank psd unk Photoshop Format pse unk IBM Printer Page Segment Bitmap psf unk Chiwriter PostScript Printer Font psi unk PSION A-law Audio psm unk Turbo Pascal Symbol Table psp unk PaintShop Pro Image psr unk Project Scheduler Resource File pst unk MS Outlook Personal Folder File psx unk Dirty Little Helper Chat File psy unk PLD2 System File (program due out 1Q2001) pt3 unk Harvard Device Driver (Harvard Graphics taken over by pt4 unk PageMaker Template pt5 unk PageMaker Template ptb unk Power Tab Guitar Tablature Editor ptm unk PolyTracker Music Module ptr unk QMail Qwk Reader Pointer pub unk PGP Public Key Ring puf unk Puffer Encrypted File put unk Instalit Script pva unk Hauppauge DVB-Software pvl unk Instalit Library pvt unk Local Fidonet Pointlist pw unk Professional Write Text File pwa unk Password Agent File pwd unk Pocket Word Document pwf unk ProCite Workforms pwl unk Password List pwp unk Photoworks Image File pwz unk PowerPoint Wizard px unk Primary Index pxa unk Pixia Color Painter File pxe unk Partial XML Envelope pxl unk Pocket Excel Spreadsheet py unk PYTHON Script pyc unk Compiler PYTHON Script pzd unk Pizazz Plus Defaults pzm unk GraphPad Prism pzo unk Pizazz Plus Overlay pzp unk Pizazz Plus Palette pzs unk Pizazz Plus Settings pzt unk Pizazz Plus Transfer File pzx unk Pizazz Plus Swap File pzz unk Curious Labs Compressed Poser File q9q unk BladePro Graphic Plugin File qad unk PF QuickArt Document qag unk Norton Desktop Quick Access Group qap unk Omnis Quartz Application File qax unk ExpressTracker Data File qbd unk Keyboard Layout qbe unk Example Query (Query By Example) qbl unk Business Lawyer Document qbo unk dBase IV Ordered Query qbs unk MS Quick Basic Program File qbw unk QuickBooks for Windows File qcp unk Qualcomm PureVoice File qcs unk CADQC Standard File qd? unk Omnis Quartz Data File Segment (can be 0 to 9) qdate unk Quicktime Related qdf unk Quicken Data File qdi unk Dictionary qdk unk Quarterdeck QEMM File qdt unk QuickBooks UK Accountancy Data File qdv unk Steve Blackstock Giffer Graphics File qef unk Excel Query qel unk Quicken Electronic Library File qep unk IRMA Wordstation for Windows qfl unk Family Lawyer Document qfx unk Quick Link Fax qif unk Quicken Interchange Format qlb unk MS C Quick Library qlc unk PostScript Help File qlp unk QuickLink Printer Driver qm unk Quality Motion File qm4 unk QMail Mail Door Option or Services File qmt unk Quicken Memorized List qnt unk Chromeleon Quantification Method qnx unk Quicken Indexes qpr unk OS/2 Printer Queue Driver qpw unk Quattro Pro Project File qpx unk Foxpro Ordered Query qqt unk Quick Qard Technology Qardware Definition File qrp unk Centura Report Builder File qrs unk WordPerfect Equation Editor qrt unk QRT Ray Tracing Graphic qry unk dBase IV Query qsc unk Pxyl Visuals Chart qsd unk Quicken Datafile qst unk Quake Spy Tab File qt unk Quicktime Video qti unk QuickTime Image qtm unk QuickTime Movie qtp unk QuickTime Preferences qts unk Macintosh PICT Image qtx unk QuickTime Image que unk Task Scheduler Queue Object quicken unk Quicken Spreadsheet qw unk Symantec Q&A Write Program File qwb unk MS Money Quotes WriteBack Import File qwk unk QWK Reader Message File qwp unk Quiptics Puzzle File qxd unk Quark Xpress File qxl unk Quark Xpress Element Library qxt unk Quark Xpress Template File r unk Pegasus Mail Resource File r?? unk RAR Compressed File (?? can be 01 to 99) r33 unk Train Simulator Game File r8 unk RAW Graphic File r8l unk LaserJet Landscape Font r8p unk LaserJet Portrait Font ra unk RealMedia File ram unk RealMedia Metafile rar unk RAR Compressed Archive ras unk Sun Raster Graphic rat unk Rating System File raw unk RAW RGB 24-bit Graphic rax unk Image File rb unk RocketEdition File rb1 unk R:Base Data File rb2 unk R:Base Data File rb3 unk R:Base Data File rbf unk R:Base Data File rbh unk RoboHelp Configuration rbm unk Propellerhead ReBirth Modulation v2.0 rc unk Borland C++ Resource Compiler Script File rcd unk PC Anywhere Recorded Session File rcg unk Netscape Newsgroup File rcp unk Recomposer's MIDI Sequencer Music File rd1 unk Descent1 Registered Level File rd2 unk DATAIR Retirement Document System Custom Text File rd3 unk Ray Dream Designer Graphics rd4 unk Ray Dream Designer Graphics rd5 unk Ray Dream Designer Graphics rdb unk TrueVector Rules Database rdf unk Resource Description Framework File rdi unk Device-independent Bitmap rdl unk Descent Registered Level rds unk Ray Dream Studio File rdx unk Reflex Data File rec unk Sprint Record File red unk Calrion Modula-2 Path Data ref unk Cross Reference reg unk Registration Data (various) reget unk ReGet Deluxe Downloader rem unk Annotation (remark) rep unk Text Document req unk Request res unk Resource File (various programs) rev unk Geoworks Revision File rex unk REXX Program File rez unk Resource File rf unk Sun Raster Graphic rf? unk SmartWare Compiled Project File (requires login) rfb unk RoboForm rfd unk RecogniFORM Form Definition rff unk Maggi Graphic File rfg unk RFG Integrator System Database rfh unk RFG Integrator Householding Database rft unk IBM DisplayWrite Revisable Format Text rgb unk Picture File rgi unk RealArcade Game Installer (not secured) rgp unk RealArcade Game Package rgs unk RealArcade Game Installer (secured) rgx unk ReaGeniX Code Generator Symbol Table rh unk Borland C++ Resource Header File ri unk Lotus File ria unk Alpharel Group IV Raster Graphics File rib unk 3D Reality Renderman Format Graphics ric unk Ricoh FAX Graphic File rif unk Fractal Painter Bitmap rip unk Remote Imaging Protocol rix unk ColorRIX VGA Paint File rl1 unk Descent1 Registered Level File rl2 unk Descent2 Registered Level rl4 unk Bitmap Graphics rl8 unk Bitmap Graphics rla unk Advanced Visualizer File rlb unk Harvard Graphic File (Harvard Graphics taken over by rlc unk Image Systems CAD Overlay rle unk Graphic (Run Length Encoded) rlz unk Realizer Source Code rm unk RealMedia File rmd unk RegMaid Document rmf unk Rich Map Format (3D Games) rmi unk MIDI File rmk unk Clipper RMake Make File rmm unk RealPlayer File rmr unk Resume Maker File rmx unk RealJukeBox MP3 File rn unk Nota Bene XPL Program rnd unk AutoCAD Rendering Slide rng unk Nokia Ringtone File rnl unk GTX Runlength Raster Graphics rno unk VAX Runoff File rnx unk RealPlayer File rol unk Adlib Music File rom unk Nintento 64® Emulation ROM Image rov unk Rescue Rover Data rp unk RealPix Clip rpb unk Automotive Diagnostic File rpc unk Rich Photorealistic Content (ArchVision, Inc.) rpd unk Rapidfile Database rpl unk Replica Text File rpm unk RedHat Package Manager (Linux) rpt unk Report (various) rqy unk MS Excel OLE DB Query File rr unk Railroad Tycoon rrs unk Road Rash Save File rs unk Amiga Reassembler Resource Data File rs_ unk Macintosh File Resource Fork rsb unk Rogue Spear Bitmap rsc unk Resource File rsf unk Mediafour MacDrive Macintosh Resource Fork rsl unk PC Tools Resources Library rsn unk Propellerhead Reason Audio File rsp unk Responce Text File rss unk Rockwell Logix 500 SLC-5 Software rst unk ANSYS Results rt unk RealText Clip rta unk RoboHelp Configuration rtf unk Rich Text Format File (also used as Windows Help file rth unk ANSYS Results rtk unk RoboHelp Configuration rtl unk Text File rtm unk Real Tracker Music Module rtp unk TurboTax Update File rts unk RoboHelp Configuration rtx unk Reliacast Audience Manager Turnstile rul unk InstallShield run unk PC Tools Script Tools Program rv unk RealVideo Clip rvp unk Microsoft Scan Configuration File rvw unk Review (may just be text file) rws unk Borland C++ Resource Workshop Data File rwx unk RenderWare Script rwz unk MS OutlookXP Internet Settings rx unk Reflex Database Driver rxd unk Reflex Database rxh unk Reflex Database Help File rxn unk MDL RXN rxr unk Reflex Database Report rxs unk Reflex Database Screen Driver s unk Assembler Source Code s01 unk WordPerfect Distribution File s02 unk WordPerfect Distribution File s03 unk WordPerfect Distribution File s28 unk Genesis or Sega32X Rom Image s2p unk Sonnet File s3i unk ScreamTracker v3 Instrument s3m unk ScreamTracker v3 Module sad unk Serveron Analyzer Data File saf unk MusicMatch Jukebox Secure Audio File sah unk SETI@Home Data File sal unk Soritec Data sam unk Ami Pro Text File san unk The Curse of Monkey Island Movie File sar unk SAR Compressed Archive File sat unk ACIS Solid Model (any ACIS-based CAD program) sb unk Audio File sbd unk Storyboard Editor Storyboard sbf unk Superbase 95 File sbi unk Sound Blaster Instrument File sbk unk Emu SoundFont v1.x Bank Files sbl unk Shockwave Flash Object sbp unk Superbase DML Program sbr unk Source Browser Support File sbt unk Superbase Record Notes sc unk Framework Screen Driver sc2 unk Sample Cell sc3 unk Harvard Screen Driver (Harvard Graphics taken over by sc4 unk RollerCoaster Tycoon Scenario sca unk SCA Datafile scb unk Scala InfoChannel Published Script scc unk Text File scd unk Graphic (SCODL Scan Conversion Object Description Lan sce unk SoftCuisine Data Exchange File scf unk Windows Explorer Command sch unk Schedule+ File sci unk ScanVec Inspire File scl unk SCALA Scale scm unk SchematicMaker (Topanga Software) File scn unk Compressed Screen format sco unk High Score (various) scp unk Script (various) scr unk RASMOL Script sct unk Foxpro Screen scv unk ScanVec CASmate File scx unk MS FoxPro Screen File scy unk ReaGeniX Security File sd unk Sound Designer I Audio sd2 unk Sound Designer II Flattened File sd7 unk Daktronics Venus 7000 Electronic Sign Schedule sda unk StarOffice Drawing sdb unk Simply Accounting File sdc unk StarOffice Spreadsheet sdd unk StarOffice Presentation sdf unk Standard Data Format sdi unk Fidonet Software Distribution Network Info sdk unk Roland S-series Floppy Disk Image sdl unk SmartDraw Library sdn unk Shell Archive sdr unk SmartDraw Drawing sds unk StarOffice Chart sdt unk SmartDraw Template sdv unk Semicolon Divided Values File sdw unk StarOffice Text sdx unk Midi Sample Dump Standard Files Compacted by SDX sdv unk Pinnacle Studio DV Video Editing Project se unk ScopeEdit Project File sea unk Macintosh Compressed Archive File sec unk Compressed Archive File sef unk Steganos Encrypted File seg unk Compressed File Segment sel unk PaintShop Pro Selection File seo unk ScopeEdit Object File sep unk TIFF Bitmap Separation seq unk Atari Animation File ses unk Digital Audio Editor File seu unk Serials 2000 Encrypted S2K Update sew unk Janome (New Home) Sewing Machine File sex unk Urban Chaos Game File sf unk Sound File sf2 unk Emu SoundFont v2.0 File sfd unk SoundStage Sound File Data sfe unk Split Files Shell Extension sff unk Fritz Fax-Print File sfi unk Ventura Printer Font sfl unk Ventura Printer Font sfn unk SPX Font sfp unk Ventura Printer Font sfr unk Sonic Foundry Sample Resource sfs unk StarOffice Frame sft unk Chiwriter Screen Font sfv unk QuickSFV/WinSFV Checksum File sfw unk Graphic File (Seattle Film Works) sfx unk Self-extracting Archive sg unk ABC Snap Graphics User File sg1 unk Stanford Graphics sgd unk SameGame Data File sgf unk Smart Game Format sgi unk Silicon Graphics IRIS Graphic File sgl unk StarOffice Master Document sgp unk Statgraphics Plus Statistics sgt unk Hitman Game Sound File sh unk UNIX shar Archive File sh3 unk Harvard Presentation (Harvard Graphics taken over by shb unk Corel Background File shg unk Hotspot Editor Hypergraphic shk unk Macintosh Compressed Archive File (could be Apple II shm unk WordPerfect Shell Macro shn unk Shorten Audio Compression File shp unk 3D Studio Shapes File shr unk UNIX shar Archive File shs unk Shell Scrap Object File shw unk Corel Presentation shx unk AutoCAD Shape Entities si unk SoftImage Image File sib unk Sibelius Music File sid unk Music File sif unk Windows NT Setup File sig unk Signature File sim unk Simulation (various) (e.g. Setup for Nascar4) sit unk StuffIt Compressed Archive File (Multiple platforms) siz unk Oracle 7 Configuration sjf unk Split Files Shell Extension ska unk PGP Secret Keyring skb unk QuickPOS (Point-Of-Sale) Standard Keyboard Layout Fil skc unk MDL Sketch skf unk Autosketch skl unk Authorware Resource skn unk FileWrangler/SecurDesk!/ImageForge Graphic Skin skr unk Microsoft ScriptIt sky unk ActiveSky Movie Clips for Palm OS sl unk S-Lang Program File slb unk AutoCAD Slide Library slc unk Telix Compiler SALT Script sld unk AutoCAD Slide sldasm unk Solidworks File slddrw unk Solidworks File slg unk Chromeleon Audit Trail sli unk MagiCorp Side Service Slide slk unk Data Exchange File (Symbolic Link) sll unk Sound File slm unk Microsoft Visual FoxPro slp unk Timeslips Data File slt unk Telix SALT Script Application sm unk Smalltalk Program File sm3 unk DataCAD Symbol File smc unk Super Nintendo Game-console ROM Image smd unk StarOffice Mail smf unk StarOffice Formula smi unk RealPlay SMIL File smk unk Smacker Compressed File smm unk Ami Pro Macro smp unk Sample or Samplevision Format sms unk MS Package Definition File (used now in place of .PDF smt unk HiPer-Six Memo File snd unk Sound Clip sng unk Midisoft Studio MIDI Song snm unk Netscape Mail sno unk SNOBOL Program File snp unk Snapview Shapshot snx unk Second Nature Software Graphic soa unk Sage MAS 90 Accounting Software File soc unk SociometryPlus Sociometric Group sol unk Solution Game Walkthroughs som unk Paradox Sort Info sou unk SB Studio II Sound sp unk Splint Compressed Archive File (UNIX) spc unk Multiplan Program spd unk Harvard Bitstream Typefaces (Harvard Graphics taken o spf unk Site Publisher Profile spg unk Sprint Glossary spi unk Scanner Graphics spj unk Site Publisher Project File spl unk Compressed Archive File spm unk WordPerfect File spn unk WordPerfect Distribution File spp unk Sprint Printer File spr unk Sprint Document Letter sps unk Sprint Screen Driver spt unk RASMOL Script spw unk SigmaPlot Worksheet spx unk Foxpro Compiler Screen Program spz unk Spazz3d VRML File sq7 unk Daktronics Venus 7000 Electronic Sign Sequence sqc unk Structured Query Language Common Code File sql unk Structured Query Language Data sqr unk Structured Query Language Program File sqz unk Compressed Archive File src unk Sourcecode (various) srf unk Sun Raster Graphic File srp unk QuickLink Script srt unk BSplayer Subtitle File ss unk Splash Bitmap Graphic ssa unk Subtitles ssd unk SAS Database ssf unk Enable Spreadsheet File ssh2 unk SSH Secure Shell Client ssi unk Installer/GD Software Setup Information ssm unk RealPlay Standard Streming Metafile ssp unk SAS Transport Data sss unk Sudden Strike Saved Game sst unk Certificate Store st unk SMALLTALK Program File sta unk Eudora File stb unk Genus Stub Library std unk Prosa State Transition Diagram Graphic stf unk ShrinkToFit Compressed Archive File stg unk PageKeeper Storage File stk unk Personal Stock Monitor File stl unk Certificate Trust List stm unk Sound File sto unk Genus Pascal Stub OBJ File stp unk PageKeeper Packed Storage File str unk dBase Structure List sts unk MS C Project Status Info stw unk SmartTerm Data File stx unk Simply Tax Form sty unk Style Sheet (various) sub unk CloneCd Related File sud unk Super Project Analyzer Data sui unk Simple User Interface Toolkit Library sum unk Summary (various) sun unk Sun Raster Graphic File sup unk WordPerfect Supplemental Dictionary sur unk Surveyor Document sv$ unk AutoCAD Autosave File sv1 unk Transport Tycoon Saved Game sv4 unk RollerCoaster Tycoon Saved Game svg unk Scalable Vector Graphics File svi unk Mimio Ink Files svp unk WISCO Survey Power svx unk Interchange File Format, 8SVX/16SV sw unk Audio File swa unk Shockwave Audio File swd unk Storybook File (educational) swf unk Macromedia Flash Format swfs unk Dreamweaver File swg unk Swag Reader Packet swi unk Swish Data File (Swish makes Flash files) swl unk Macromedia Flash Format swt unk VB Setup Wizard Template File sxw unk OpenOffice.org Writer 6.0 Text File sy1 unk Ami Pro Smartpix Symbol Library sy3 unk Harvard Symbol File (Harvard Graphics taken over by S syl unk SYLK Spreadsheet Format sym unk Symbol Table (various) syn unk Synonym File sys unk System Configuration syw unk Harvard Symbol Graphic (Harvard Graphics taken over b sz0 unk Binary File Format (used when uploading via a COM por t unk Tads Source File t?? unk Ingres Table/Index File (?? = Hex 00 to FF) t2k unk Teach2000 Document t2t unk Sonata CAD Modelling File t64 unk C64S Emulator Program t98 unk Kiplinger Tax Cut File (1998 Tax Year) t99 unk Kiplinger Tax Cut File (1999 Tax Year) tab unk Guitar Tablature File tag unk Dataflex Query Tag Name tah unk Turbo Assembler Help File tai unk INMOS Transputer Development System Occam Analyse Inf tal unk Adobe TypeAlign Text Illustration File tam unk Tame Program Settings tao unk IsoBuster File tar unk Compressed Archive File tax unk Turbotax File taz unk Compressed File (short for .tar.z) tb1 unk Turbo C Font tb2 unk Turbo C Font tbc unk IronCAD Tool Bar Customization tbf unk Imavox TurboFax Faxs tbk unk Asymetrix Toolbook tbl unk Adobe Pagemaker Import Mapping Table tbx unk Project Scheduler Table tc unk Borland Configurations File tch unk Borland Help File tci unk INMOS Transputer Development System Occam Configurati tcl unk TCL/TK Language Script tcm unk INMOS Transputer Development System Occam Comment Tex tcw unk TurboCAD Drawing td unk Turbo Debugger Configuration File td2 unk Turbo Debugger Configuration File td4 unk RollerCoaster Tycoon Track Design tdb unk Thumbs Plus Database tdf unk Trace Definition File tdh unk Turbo Debugger Help File tdk unk Turbo Debugger Keyboard Record tdo unk Compressed File tdp unk Serif DrawPlus Thumbnail tds unk Turbo Debugger Symbol Table tdw unk Turbo Debugger Configuration File te unk Textease File te2 unk Conquest of the New World tea unk Tea Template Source File tee unk TeeChart Office Graphic tef unk Relisys Tefax Fax tel unk Telnet Host File tem unk Icon Author Template ter unk TerraGen Landscape File tet unk Textease Template tex unk TeX tf unk Turbo Profiler Configuration File tfa unk Turbo Profiler Area File tfc unk Tobi's Floppy Cataloguer Catalog tfh unk Turbo Profiler Help File tfm unk Tagged Font Metric tfs unk Turbo Profiler Statistic tfx unk Traffix Traffic Analysis Software tg1 unk On Target Project File tg4 unk CCITT Group 4 Fax tga unk Truevision Targa Graphic tgf unk MDL Sketch tgh unk TrueGas Host File tgw unk Terragen Atmosphere File tgz unk UNIX Tar File Zipped (short for .tar.gz) thb unk Bitmap Graphic thd unk Thread theme unk Microsoft Plus! Theme File thm unk MS Clipart Gallery Database thn unk Graphics Workshop for Windows Thumbnail thp unk TurboTax-related File ths unk WordPerfect Thesaurus tie unk X-wing Alliance Game File tif unk Tagged Image Format File tiff unk Tagged Image Format File tig unk Tiger Government Map File til unk Togai InfraLogic Fuzzy-C Knowledge Base tis unk MahJongg Tile Set tkm unk Panasonic SD Voice Editor File tlb unk Remote Automation Truelib Files tlc unk Swat Compiled Tood Command Language Source tld unk Trellix File tle unk NASA Two-Line Element Set tlg unk Trellix WebGem tlp unk MS Project Timeline File tlt unk Trellix Web Design File tlx unk Telex tma unk DCI TradeManager Catalog Archive tmc unk DCI TradeManager Catalog Archive tmf unk WordPerfect Tagged Font Metric File tmo unk Zortech C++ Global Optimizer Output File tmp hdn LON-CAPA Temporary File tms unk Telemate Script toc unk Eudora Table Of Contents tol unk Kodak Photoenhancer top unk INMOS Transputer Development System Occam Top Level F tos unk Atari Self-extracting Archive tot unk Telelogic Option Templates tp unk Turbo Pascal Configuration File tp3 unk Harvard Template (Harvard Graphics taken over by Seri tp4 unk RollerCoaster Tycoon Track Design Screenshot tph unk Turbo Pascal Help File tpl unk Turbo Pascal Resident Units tpp unk Turbo Pascal Protected Mode Units tpu unk Turbo Pascal Unit tpw unk Turbo Pascal Unit tpz unk Compressed File (short for .tar.gz) tr unk Turbo Debugger Session-state Settings tr2 unk Turbo Debugger Session-state Settings tr5 unk Tree Professional File trc unk Power CTrace Debug Support File tre unk PC Tools Directory Tree trf unk DocuMagix File trk unk Kermit Script File trm unk Terminal Settings (various) trn unk Quattro Translation trp unk Tripmaker File trs unk Micrografx Executable File trt unk Team Sports Scheduling System Report Template trw unk Turbo Debugger Session-state Settings ts unk Tune Smithy File tsk unk Skins (Themes) for Pocket PC PDAs tsp unk Windows Telephony Service Provider tsr unk INMOS Transputer Development System Occam Program Sou tss unk Team Sports Scheduling System Project File tst unk WordPerfect Printer Test File tsx unk Team Sports Scheduling System XML Project File ttc unk TrueType Compressed Font ttf unk TrueType Font ttk unk Corel Catalyst Translation Tool Kit ttl unk Tera Term Macro File ttp unk Telelogic Tau Project ttw unk Telelogic Tau Workspace tub unk PaintShop Pro Tube File tud unk Thumbs Plus Viewer Graphics tuo unk Thumbs Plus Viewer Graphics tut unk Tutorial tv unk Paradox Table View Settings tv1 unk WordPerfect Overflow File Above Doc 1 Insert Point (c tvm unk TVMconv tvt unk RealPlayer twd unk Simtech MindMapper Mind Map twf unk TabWorks File twg unk ThatWaltGuy Web Server File twp unk Toplevel Computing Fine Words (DOS Word Processor) tww unk Tagwrite Template tx8 unk DOS Text File txb unk Descent/D2 Encoded Briefing File txc unk Urban Chaos Game File txf unk Compressed File (short for .tar.f) txi unk TeX Support File txm unk DATAIR Pension Reporter Data File txt unk Text File (open in Notepad, WordPad, Word, or many ot txw unk Yamaha TX16W Wave Files txx unk DataPerfect Text Storage tym unk PageMaker Time Stamp tz unk Compressed File (short for .tar.z) tzb unk Compressed File (short for .tar.z.btoa) u unk Unreal System File uap unk User Agent Wireless Telephony Profile uax unk Unreal Audio File ub unk Audio File uc2 unk Compressed File ucm unk Urban Chaos Game File ucn unk Compressed Archive udf unk WindowsNT Uniqueness Database File udl unk MS Data Link udw unk Raw Unsigned DoubleWord (32-bit) Data ue2 unk Encrypted Archive ufo unk Ulead Object File ug unk Drawing File (various) uhs unk Universal Hint System File uhtm unk Unreal Tournament File ui unk User Interface uif unk WordPerfect Long Prompts uih unk Geoworks UI Compiler Espire Header ul unk uLAW Audio File uld unk Procomm Uploaded Files uls unk Internet Location Service ult unk UltraTracker Music Module umod unk Unreal Self-extracting MOD File umx unk Unreal Music File uni unk MikMod (UniMod) Format unl unk Informix Binary File Created by UNLOAD Command unr unk Unreal Map File unx unk Text File (usually UNIX) upd unk dBase Update File upi unk ULead Photo Impact Program File upj unk ULead Project File upo unk dBase Compiled Update File upx unk ULead Photo Express Saved Image File urf unk Radar ViewPoint Universal Radar Format url unk Internet Location usa unk Unreal Saved Game File usb unk D-Link FM Radio Update use unk MKS Source Integrity File usl unk LaserJet Landscape Font usp unk PageMaker Printer Font usr unk User Database (various) utf unk AOL Updating Files utl unk Sound File utp unk BinPatch Patch Data File utx unk Unreal Texture File uu unk Compressed Archive File (UUENCODE) uud unk Uudecoded uue unk Uuencoded uvr unk Ulead Cool 360 Viewer File uw unk Audio File uwf unk UltraTracker Wave File uwl unk WordPerfect User Word List v unk Verilog File v64 unk Nintento 64® Emulation ROM Image v8 unk Covox 8-bit Audio vag unk Sony PlayStation ADPCM Sound File val unk Paradox Validity Checks van unk VistaPro Animation vap unk Annotated Speech var unk Icon Author Variable vb unk VBScript File or Any VisualBasic Source vba unk VBase File vbd unk ActiveX File vbe unk VBScript Encoded Script File vbg unk Visual Basic Group Project vbl unk User Control Licensing File vbp unk Visual Basic Project vbr unk Remote Automation Registration Files vbs unk VBScript Script File vbw unk Visual Basic Project Workplace vbx unk Visual Basic Extension vbz unk Wizard Launch File vc unk VisiCalc Spreadsheet File vcd unk VisualCADD Drawing File vce unk Natural MicroSystems Voice File vcf unk vCard File vcm unk Visual Component File vcs unk MS Outlook vCalendar File vct unk FoxPro Class Library vcw unk MS Visual C++ Workbench Information File vcx unk FoxPro Class Library vda unk Targa Bitmap vdo unk VDOScript File vdr unk ComputerEasy Draw File vdt unk SwiftView Command File vdx unk Video File vew unk Clipper Viewfile vfm unk Voter Voting Form vfn unk Voter Customer Voting Form vga unk VGA Screen Driver vgd unk Generic CADD VGA Driver vgr unk Ventura Graphic vi unk Virtual Instrument LabView File vib unk Chemsoft® Export/Import MSDS Data vic unk Vicar Picture File vid unk Monitor Control File vif unk Khoros Visualization Image File vik unk Viking Picture File vir unk Virus Infected File (renamed by Symantec Anti-Virus) vis unk Picture File viv unk VivoActive Player Video File viz unk Division dVS/dVISE File vl2 unk Tribes 2 Game (actually a ZIP file) vlb unk Corel Ventura Library vlt unk Darn! Passwords! Vault File vm unk Geoworks Virtual Memory File vm1 unk Panasonic SD Voice Editor File vmc unk Acrobat Virtual Memory File vmf unk Ventura Font Characteristics vmo unk Siemens Sl45 Mobile Phone Voice File vms unk Sega Dreamcast VMU Save File vnc unk Virtual Network Computing vo unk Vivid Include File vob unk DVD Video Movie File (MPEG-2 program streams with add voc unk Quartet Audio File vof unk VZ Programmer Object Folder vox unk Vox Audio vp unk Ventura Publisher File vpg unk VPGraphics File vqe unk Yamaha Sound-VQ Locator File vqf unk Yamaha Sound-VQ File vql unk Yamaha Sound-VQ Locator File vrf unk Oracle 7 Configuration File vrm unk Quattro Pro Overlay File vrp unk Watcom Project File vrs unk WordPerfect Graphics Driver vs unk Vivid Include File (Surface definition) vs2 unk Roland-Bass Transfer File vsd unk Visio Drawing vsdisco unk SOAP Dynamic Discovery File (MS SOAP & .NET apps) vsl unk GetRight Download List File vsm unk VisSim Simulation Model vsp unk Virtusales ASP Compiler Project File vss unk Visio Stencil vst unk Visio Template vsw unk Visio Workspace File vue unk dBase or Foxpro View vvf unk ViVerify Fingerprint vvr unk ViVerify Repair vw unk Volkswriter Text File vwf unk CADvance Drawing File vwr unk PC Tools File Viewer vxd unk Virtual Device Driver w unk Applause Word Chart w30 unk Ventura Printer Font w31 unk Windows 3.1 Startup File w3d unk Black Belt Systems Ray Trace Control File wab unk MS Outlook File wad unk Doom Game File wal unk WalMaster Showlist File war unk Archived Konqeror (KDE) HTML Page was unk Procomm Plus Script Source Code File wav unk Waveform Audio (PCM Wave) wax unk Procomm Plus Compiled Script File wb unk Dictionary Project Data File wb1 unk QuattroPro for Windows wb2 unk QuattroPro for Windows wba unk Winace Zip File wbc unk Webshots Picture Collection wbf unk Windows Batch File wbk unk WordPerfect Workbook wbl unk Argo WebLoad II Upload File wbr unk Crick WordBar File wbs unk WebExpress Website File wbt unk WinBatch Script wbz unk WebShots File wcd unk WordPerfect Macro Token List wcm unk Works File Transmission wcp unk WordPerfect Product Info wd2 unk WordExpress Document wdb unk Works Database wdk unk WhizFolder Desktop File wdl unk Windows XP Watchdog Log File web unk Web Vector Graphic File wfa unk WinFax Pro Archive wfb unk Turtle Beach WaveFront Bank wfd unk Turtle Beach WaveFront Drum Set wfm unk dBase Form Designer Form Object wfn unk Corel Symbols and Fonts wfp unk Turtle Beach WaveFront Program wfx unk Winfax Data File wg1 unk Lotus 1-2-3 Worksheet wg2 unk Lotus 1-2-3 Worksheet wgp unk Wild Board Games File wgt unk Worms Armageddon Teams File wht unk MS NetMeeting Old Whiteboard Document wid unk Ventura Width Table wif unk Weaving Information Format wil unk Windows Interface Language Script win unk dBase or Foxpro Window wip unk Windows Installer Project (opens with MS Visual Studi wiz unk Wizard File wk! unk Lotus Spreadsheet File wk1 unk Lotus Spreadsheet File wk3 unk Lotus Spreadsheet File wk4 unk Lotus Spreadsheet File wkb unk WordPerfect Document wkb unk Workbook wke unk Lotus Educational Version Spreadsheet File wkq unk Quattro Spreadsheet wks unk Lotus Spreadsheet File wkz unk Compressed Spreadsheet wld unk REND386/AVRIL File wlf unk Argo WebLoad I Upload File wlg unk Dr. Watson Log wlk unk Virtus Walkthrough Graphics wll unk Word Add-in wlr unk VRML Page wls unk 602 pro PC SUITE Worksheet File wma unk MS Active Streaming (Media) File wmc unk WordPerfect Macro wmd unk Windows Media Player Download Package wmf unk Windows Metafile wmp unk MS JScript Proxy Auto-Configuration wms unk Windows Media Player Skin File wmv unk MS Active Streaming (Media) File wmx unk Audio Playlist wmz unk Windows Media Player Skin File wn unk Write Now Text File wnf unk Corel Outline Font wns unk PrintShop Newsletter woa unk Windows Swap File woc unk Windows OrgChart Organization wor unk MapInfo Workspace wow unk Grave Composer Music Module wp unk WordPerfect Document File wp4 unk WordPerfect Document File wp5 unk WordPerfect Document File wp6 unk WordPerfect Document File wpd unk WordPerfect Screen Driver or Document wpf unk WordPerfect Text File wpg unk WordPerfect/Drawperfect Graphics wpk unk Keyboard wpm unk WordPerfect Macro wps unk Works Text Document wpt unk WordPerfect Template wpw unk PerfectWorks Document wpx unk Adobe printer Information File (Usually found in C:\W wr! unk Compressed Lotus Spreadsheet wq! unk Compressed Quattro Pro Spreadsheet wq1 unk Quattro Pro Spreadsheet wq2 unk Quattro Pro Spreadsheet wr1 unk Symphony Spreadsheet File wrd unk Charisma Template wr1 unk Symphony Document wri unk Write Document wrk unk Spreadsheet File wrl unk Plain Text VRML File wrp unk Amiga Compressed Archive File wrs unk WordPerfect Windows Printer Driver wrt unk IBM Writing Assistant File (DOS Application) wrz unk GNUZIP Compressed VRML File ws unk WordStar Document ws1 unk WordStar for Windows 1 Document ws2 unk WordStar for Windows 2 Document ws3 unk WordStar for Windows 3 Document ws4 unk WordStar for Windows 4 Document ws5 unk WordStar for Windows 5 Document ws6 unk WordStar for Windows 6 Document ws7 unk WordStar for Windows 7 Document wsc unk Windows Script Component wsd unk WordStar Data File wse unk Wise File wsf unk Windows Script File wsh unk Windows Script Host Settings File wsm unk SMS Installer Working File wsp unk Chromeleon Wordspace wsq unk Wavelet-packet Scalar Quantization wst unk WordStar Text File wsz unk WinAmp Skin wt2 unk WordExpress Document Template wvl unk Wavelet Compressed Bitmap wvx unk Audio Playlist wwb unk WordPerfect Button Bar wwk unk WordPerfect Keyboard Layout wwl unk Word Add-in File wwp unk Worms World Party Teams File wwv unk Sound File wxp unk EXP for Windows Document wzd unk Sharp Organizer Program or Data File wzn unk WhizFolder Document x unk LEX Program File x01 unk Paradox Secondary Index (can be 01 to 09) x16 unk Macromedia Program Extension (16-bit) x32 unk Macromedia Program Extension (32-bit) x3d unk Xara 3D Project File x4m unk TeamLinks Mail File Data x5 unk Rockwell Software Logix 5 File xa unk Extended Architecture File xab unk Xenis Mail Address Book xan unk XANIA® Browser xar unk Xara X Vector Drawing xbm unk X Bitmap Graphic xcf unk GIMP Image File xfd unk Adobe Text File (unconfirmed) xfn unk Ventura Printer Font xft unk Chiwriter 24 Pin Printer Font xfx unk Fax File (various) xgr unk MS Graph Edit XML Graph xi unk Fast Tracker 2 Instrument xif unk Wang Image File xip unk Hotbar Image Compression Format xla unk Excel Add-in xlb unk Excel File xlc unk Excel Chart xld unk Excel Dialog xlg unk Xnetech Engraving Logo File xll unk Excel Add-in (Dynamic Link Library) xlm unk Excel Macro xlr unk MS Works File xls unk Excel Worksheet xlt unk Excel Template xlv unk Excel VBA xlw unk Excel Workspace xm unk Sound File xmb unk X-Wing Mission Briefing File xmi unk Winamp Extended Midi File xml unk Extensible Markup Language File xnf unk Standard Network File Form xng unk OM2 911 Xchange Version 6 Document xnk unk Exchange Shortcut xot unk Xnetech Job Output File xpl unk Music File xpm unk X Picsmap Graphic xqt unk SuperCalc Macro Sheet xrf unk Cross Reference xr1 unk Epic MegaGames Xargon File xrf unk Crossreference File xs unk Hummingbird Exceed File xsl unk XML Stylesheet xsm unk LEXIS-NEXIS Tracker xt* unk Crosstalk Related File xtb unk LocoScript External Translation Table xtr unk RealArcade Compressed Data File xul unk XML User Interface Language xvu unk BOClean Database File xwd unk X Windows Dump xwf unk Yamaha XG Works File xwi unk X-Wing Mission File xwk unk Crosstalk Keyboard Mapping xwp unk Crosstalk Session xx unk Xxencoded File xxe unk Xxencoded File xxx unk Singer Sewing Machine Professional SewWare File xy unk XYWrite Text File xy3 unk XYWrite Text File xy4 unk XYWrite IV Document xyp unk XYWrite III Plus Document xyw unk XYWrite Windows 4.0 Document xyz unk Chime molecule y unk Amiga Yabba Compressed Archive File y01 unk Paradox Secondary Index (can be 01 to 09) yal unk Arts & Letters Clipart ybk unk Encarta Yearbook ymap unk Ygnius Computer Aided Thinking File ysp unk Bitmap Graphic (unconfirmed) yuv unk Color Space Pixel Format yz unk Yac Compressed Archive File z unk Compressed Archive File z? unk See .ZL? Below z3 unk Infocom Game Module z64 unk Nintendo 64 Emulator z80 unk ZX Spectrum Emulator zap unk FileWrangler Compressed File (only used in beta) zc unk Zipkey Configuration File zdb unk Wonder Word Data File zdg unk ZView Compressed Document zei unk ANNO 1602 Game zer unk Zerberus File zfs unk C++ Assembly Source zgm unk ZenoGraphics File zhp unk Zipped SwiftView File zim unk PagePath Technologies Compressed Mac File zip unk Compressed Archive File zl? unk ZoneAlarm Mailsafe Renamed File bas unk to .ZL2, .BAT to .ZL3, .CHM to .ZL4, .CMD to .ZL5, .C zl6, unk .CPL to .ZL7, .CRT to .ZL8, .EXE to .ZL9, .HLP to .ZL hta unk to .ZLB, .INF to .ZLC, .INS to .ZLD, .ISP to .ZLE, .J jse unk to .ZLF, .LNK to .ZLG, .MDB to .ZLH, .MDE to .ZLI, .M zlj, unk .MSI to .ZLK, .MSP to .ZLL, .MST to .ZLM, .PCD to .ZL pif unk to .ZLO, .REG to .ZLP, .SCR to .ZLQ, .SCT to .ZLR, .S zls, unk .URL to .ZLT, .VB to .Z1, .VBE to .ZLU, .VBS to .ZLV, wsc unk to .ZLW, .WSF to .ZLX, .WSH to .ZLY zm? unk ZSNES Movie (? = number of the movie) zmk unk Z-Up Maker Project File zom unk Amiga Compressed Archive File zoo unk Compressed Archive File zvd unk ZyXEL Voice File zw unk Chinese 1 unk Inno Setup Binary File 10x unk Gemini Bitmap Printer Graphics File 123 unk Lotus File 12m unk Lotus Smartmaster File 12u unk PageMaker Font File 15u unk PageMaker Printer Font 196 unk Computer Snooper Log File 1pe unk TurboTax Form File 1st unk Information (e.g., README.1ST) 1tx unk 1toX File (Logipole) 22 unk Clipstream 20 Kb Stream 24b unk 24-bit Graphic File 286 unk Windows Standard Mode Driver 2d unk 2D VersaCAD Drawing File 2gr unk Windows EGA/VGA Screen Grabber 301 unk Fax Data 303 unk Seq-303 Settings 320 unk Chromelion Demo Data File 323 unk H.323 Internet Telephony 340 unk Chromelion Demo Data File 386 unk Windows Enhanced Mode Driver or Swap File 3d unk VersaCAD 3D Drawing File 3dm unk 3D Modeler File 3dml unk Rover 3D Modeling 3dp unk Serif 3D Plus 3ds unk 3D Studio Graphic 3dv unk Visual Component File 3dz unk Easy 3D Creator Project File 3fx unk Corel Chart 3D Effect 3gr unk Windows SVGA/XVGA Screen Grabber 3in unk MSN Setup Information 3t4 unk Binary to ASCII Conversion 3ta unk Triple-T Animation 3tp unk Triple-T Plug-in 411 unk Sony Mavica Data File 44 unk Clipstream 32 Kb Stream 4c$ unk 4Cast/2 Data 4ge unk Informix 4GL Compiled Code 4gl unk Informix 4GL Source 4sw unk 4DOS Swap File 4th unk FORTH Program 4v unk Quartet Music File 602 unk T602 Text File 608w unk Audiogalaxy Music File (unverified) 669 unk 669 Tracker Module 6am unk Haltech ECU Fuel and Ignition Map 6cm unk Triton FastTracker 6-Channel Music 8 unk A86 Assembler Program File 83p unk TI-Graph Link (TI-83 Program) 8ba unk Adobe PhotoDeluxe Plugin (also ends in E, F, I, X, & 8bf unk Filter Factory File 8cm unk Triton FastTracker 8-Channel Music 8m unk PageMaker Math 8 Printer Font 8u unk PageMaker Roman 8 Printer Font 906 unk Calcomp Plotter File $$a unk OS/2 $$f unk OS/2 Database $$p unk OS/2 Notes $$s unk OS/2 Spreadsheet $d$ unk OS/2 Planner Data File $db unk dBase Temp File $ln unk Borland C++ TLink Response File $vm unk MS Windows Virtual Manager Temp File $#! unk Cryptext #################################################################### ## ## ## Original Values ## ## ## #################################################################### spreadsheet ign LON-CAPA spreadsheet html ssi Hypertext Document htm ssi Hypertext Document xml ssi General XML Document problem ssi Problem Document exam ssi Checkout Written Exam quiz ssi Online Quiz assess ssi General Online Assessment survey ssi Online Survey form ssi Online Form library ssi Library of Functions File page ssi Page Material Document sequence rat Sequence of Page Materials gif img GIF Image Document ps ign Postscript Document png img PNG Image Document jpg img JPEG Image Document eps ign Encapsulated Postscript Document jpeg img JPEG Image Document pdf ign Portable Data Format Document tex ssi TeX Document txt ssi Text (Plain) Document text ssi Text (Plain) Document dvi ign DVI Document mov emb Quicktime Movie avi emb Audio Video Interleave File mpg emb MPEG Movie mpeg unk MPEG Movie wav emb Wav Sound Document meta ssi Metadata Catalog File zip ign Archive File class ign Java Class File cab ign Java Cab File jar ign Java Jar File save hdn Hidden Save File meta hdn Hidden Meta File log hdn Hidden Log File bak hdn Hidden Backup File rights prv Hidden Custom Distribution Rights File