--- loncom/interface/filetypes.tab	2008/02/14 20:55:36	1.36
+++ loncom/interface/filetypes.tab	2009/07/18 01:42:18	1.37
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # file extension description file
 #
-# $Id: filetypes.tab,v 1.36 2008/02/14 20:55:36 www Exp $
+# $Id: filetypes.tab,v 1.37 2009/07/18 01:42:18 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3285,3 +3285,8 @@ xlw             unk     application/vnd.
 ics             unk     text/calendar                    iCalendar File
 wks             unk     application/vnd.ms-works         Microsoft Works 
 wps             unk     application/vnd.ms-works         Works Text Document
+pptx            unk     application/vnd.openxmlformats-officedocument.presentationml.presentation       Microsoft PowerPoint Presentation
+ppsx            unk     application/vnd.openxmlformats-officedocument.presentationml.presentation       Microsoft PowerPoint Presentation
+docx            unk     application/vnd.openxmlformats-officedocument.wordprocessingml.document         Microsoft Word Document
+dotx            unk     application/vnd.openxmlformats-officedocument.wordprocessingml.template Microsoft Word Document Template
+xlsx            unk     application/vnd.openxmlformats-officedocument.spreadsheetml.sheet       Microsoft Excel Worksheet