--- loncom/interface/filetypes.tab	2008/02/14 20:50:50	1.35
+++ loncom/interface/filetypes.tab	2013/10/02 20:12:40	1.38
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # file extension description file
 #
-# $Id: filetypes.tab,v 1.35 2008/02/14 20:50:50 www Exp $
+# $Id: filetypes.tab,v 1.38 2013/10/02 20:12:40 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -974,7 +974,7 @@ fit             unk    unk
 fix             unk    unk              Generic Patch File
 fky             unk    unk              Foxpro Macro
 fla             unk    unk              Macromedia Flash Movie
-flv		unk    unk		Macromedia Flash Movie
+flv             unk    unk              Macromedia Flash Movie
 flb             unk    unk              Papyrus Format Library
 flc             unk    unk              AutoDesk FLIC Animated Picture
 fld             unk    unk              Charisma Folder
@@ -3285,3 +3285,9 @@ 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
+webm            unk     video/webm                        Audio Video WebM File