Category
Office File Signatures
Word processor, spreadsheet, and presentation formats — Microsoft Office, OpenDocument, Lotus SmartSuite — and their file signatures.
37 formats in this category
.123
Safe
123
00 00 1A 00 03 10 04 00
.apr
Safe
Lotus/IBM Approach 97 file
D0 CF 11 E0 A1 B1 1A E1
.doc
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.docx
Safe
Microsoft Office Open XML Format
50 4B 03 04
.dot
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.lwp
Safe
Lotus WordPro document
57 6F 72 64 50 72 6F 00
.nsf
Safe
Lotus Notes database
1A 00 00 04 00 00
.odc
Safe
ODC
50 4B
.odf
Safe
ODF
50 4B
.odp
Safe
OpenDocument text document
50 4B 03 04
.ods
Safe
OpenDocumentSpreadsheet
50 4B
.odt
Safe
OpenDocument text document
50 4B 03 04
.otp
Safe
OTP
50 4B
.ots
Safe
OTS
50 4B
.ott
Safe
OpenDocument text document
50 4B
.pot
Safe
POT
D0 CF 11 E0 A1 B1 1A E1
.ppa
Safe
PPA
D0 CF 11 E0 A1 B1 1A E1
.pps
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.ppt
Safe
PowerPoint presentation subheader
D0 CF 11 E0 A1 B1 1A E1
.pptx
Safe
Microsoft Office Open XML Format
50 4B 03 04
.ppz
Safe
Powerpoint Packaged Presentation
D0 CF 11 E0 A1 B1 1A E1
.rtf
Safe
Rich text format word processing file
7B 5C 72 74 66
.sam
Safe
Lotus AMI Pro document
5B 56 45 52 5D
.wcm
Safe
WCM
D0 CF 11 E0 A1 B1 1A E1
.wdb
Safe
WDB
D0 CF 11 E0 A1 B1 1A E1
.wiz
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.wk1
Safe
Lotus 1-2-3 spreadsheet
00 00 02 00 06 04 06 00 08 00 00 00 00 00
.wk3
Safe
Lotus 1-2-3 spreadsheet
00 00 1A 00 00 10 04 00 00 00 00 00
.wk4
Safe
Lotus 1-2-3 spreadsheet
00 00 1A 00 02 10 04 00 00 00 00 00
.wk5
Safe
Lotus 1-2-3 spreadsheet
00 00 1A 00 02 10 04 00 00 00 00 00
.wks
Safe
Works for Windows spreadsheet file
0E 57 4B 53
.wpd
Safe
WordPerfect text and graphics file
FF 57 50 43
.wps
Safe
MSWorks text document
D0 CF 11 E0 A1 B1 1A E1
.xla
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.xls
Safe
An Object Linking and Embedding
D0 CF 11 E0 A1 B1 1A E1
.xlsx
Safe
Microsoft Office Open XML Format
50 4B 03 04
.xlt
Safe
XLT
4D 69 63 72 6F 73 6F 66 74 20 45 78 63 65 6C 20 35 2E 30 20 57 6F 72 6B 73 68 65 65 74