2.
DIF - Data Interchange Format
3.
DOC - Microsoft Word Document
4.
DOC# - Microsoft Word Document
5.
DOCM - Word Open XML Macro-Enabled Document
6.
DOCX - Microsoft Word Open XML Document
7.
FODS - OpenDocument Flat XML Spreadsheet
8.
FODT - OpenDocument Flat XML Document
9.
HWP - Hanword Document
10.
MET - Presentation Manager Metafile
11.
ODB - OpenDocument Database
12.
ODC - OpenDocument Chart File
13.
ODG - OpenDocument Graphic File
14.
ODI - OpenDocument Image
15.
ODP - OpenDocument Presentation
16.
ODS - OpenDocument Spreadsheet
17.
OTC - OpenDocument Chart Template
18.
OTG - OpenDocument Graphic Template
19.
OTH - OpenDocument HTML Template
20.
OTI - OpenDocument Image Template
21.
OTP - OpenDocument Presentation Template
22.
OTS - OpenDocument Spreadsheet Template
23.
OTT - OpenDocument Document Template
24.
OXT - Apache OpenOffice Extension
25.
PCD - Kodak Photo CD Image File
26.
PCX - Paintbrush Bitmap Image File
27.
PDB - Palm Desktop Database File
29.
POT - PowerPoint Template
30.
POTM - PowerPoint Open XML Macro-Enabled Presentation Template
31.
POTX - PowerPoint Open XML Presentation Template
32.
PPM - Portable Pixmap Image File
33.
PPTX - PowerPoint Open XML Presentation
34.
PSW - Pocket Word Document
35.
PXL - Pocket Excel File
36.
RAS - Sun Raster Graphic
37.
RTF - Rich Text Format File
38.
SDA - StarOffice Drawing
39.
SDC - Apache OpenOffice Calc Spreadsheet
40.
SDD - StarOffice Presentation
41.
SDP - StarOffice Presentation File
42.
SDS - OpenOffice.org Chart
43.
SDW - StarOffice Writer Text Document
44.
SLK - Symbolic Link File
45.
SMF - StarMath Formula File
46.
STC - OpenOffice.org Calc spreadsheet template file
47.
STC - StarOffice Calc Spreadsheet Template
48.
STD - Apache OpenOffice Drawing Template
49.
STI - StarOffice Presentation Template
50.
STW - StarOffice Document Template
51.
SXC - StarOffice Calc Spreadsheet
52.
SXD - StarOffice Drawing
53.
SXG - Apache OpenOffice Master Document
54.
SXI - StarOffice Impress Presentation
55.
SXM - StarMath Formula
56.
SXW - StarOffice Writer Document
57.
TXT - Plain Text File
58.
UOS - Uniform Office Spreadsheet
59.
UOT - Uniform Office Document
60.
VOR - OpenOffice.org or StarOffice template file
61.
WKS - Lotus 1-2-3 Spreadsheet
62.
WP - WordPerfect Document
63.
WPD - WordPerfect Document
64.
WPS - Microsoft Works Word Processor Document
65.
WRI - Windows Write Document
66.
XLS - Excel Spreadsheet
67.
XLSX - Microsoft Excel Open XML Spreadsheet
70.
XPM - X11 Pixmap Graphic
71.
123 - Lotus 1-2-3 Spreadsheet