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