FILE SIGNATURES TABLE

16 December 2017

This table of file signatures (aka "magic numbers") is a continuing work-in-progress. I had found little information on this in a single place, with the exception of the table in Forensic Computing: A Practitioner's Guide by T. Sammes & B. Jenkinson (Springer, 2000); that was my inspiration to start this list in 2002. See also Wikipedia's List of file signatures. Comments, additions, and queries can be sent to Gary Kessler at gck@garykessler.net.

This list is not exhaustive. Interpret the table as the magic number generally indicating the file type rather than the file type always having the given magic number. If you want to know to what a particular file extension refers, check out some of these sites:

File Extension Seeker: Metasearch engine for file extensions

FILExt.com

FileInfo.com

Wotsit.org, The Programmer's File and Data Resource

DOT.WHAT?

File-Extensions.org

Some other useful information:

My software utility page contains a custom signature file based upon this list, for use with FTK, Scalpel, Simple Carver, Simple Carver Lite, and TrID.

The File Signatures Web site searches a database based upon file extension or file signature.

Tim Coakley's Filesig.co.uk site, with Filesig Manager and Simple Carver. Also, see Tim's SQLite Database Catalog page, "a repository of information used to identify specific SQLite databases and properties for research purposes."

Marco Pontello's TrID - File Identifier utility designed to identify file types from their binary signatures.

The National Archives' PRONOM site provides on-line information about data file formats and their supporting software products, as well as their multi-platform DROID (Digital Record Object Identification) software.

Additional details on graphics file formats can be found at The Graphics File Formats Page and the Sustainability of Digital Formats Planning for Library of Congress Collections site.

Additional details on audio and video file formats can be found at the Sustainability of Digital Formats Planning for Library of Congress Collections site.

Another collection of many types of file format specifications can be found at Alex Kirk's File Format Documentation Collection.

Shaul Zevin's Let's Solve the File Format Problem! page presents an ontology on which his Falstaff tool is built, a Web-based tool to classify a file by signature.

If you are using a Linux/Mac OS X/Unix system, you can use the file command to determine the file type based upon the file signature, per the system's magicfile.

And, one last and final item — if you are searching for network traffic in raw binary files (e.g., RAM or unallocated space), see Hints About Looking for Network Packet Fragments.

ACKNOWLEDGEMENTS & COPYRIGHT NOTICE

Hex Signature ASCII Signature

File Extension File Description

TGA Truevision Targa Graphic file
Trailer:
54 52 55 45 56 49 53 49 TRUEVISI
4F 4E 2D 58 46 49 4C 45 ON-XFILE
2E 00 ..

00 .

PIC IBM Storyboard bitmap file

MOV Apple QuickTime movie file

PIF Windows Program Information File

SEA Mac Stuffit Self-Extracting Archive

YTR IRIS OCR data file

00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 ........
........

XXX Compucon/Singer embroidery design file

[11 byte offset]
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 [11 byte offset]
........
........
........

PDB Palmpilot Database/Document File

[512 (0x200) byte offset]
00 00 00 00 00 00 00 00 [512 (0x200) byte offset]
........

RVT Revit Project File subheader

00 00 00 00 14 00 00 00 ........

TBI Windows Disk Image file

[8 byte offset]
00 00 00 00 62 31 05 00
09 00 00 00 00 20 00 00
00 09 00 00 00 00 00 00 [8 byte offset]
....b1..
..... ..
........

DAT Bitcoin Core wallet.dat file

00 00 00 0C 6A 50 20 20
0D 0A ....jP
..

JP2 Various JPEG-2000 image file formats

00 00 01 00 ....

ICO Windows icon file

SPL Windows NT/2000/XP printer spool file

00 00 01 Bx ....

MPEG, MPG MPEG video file
Trailer:
00 00 01 B7 (...·)

00 00 01 BA ....º

MPG, VOB DVD Video Movie File (video/dvd, video/mpeg) or DVD MPEG2
Trailer:
00 00 01 B9 (...¹)

00 00 02 00 ......

CUR Windows cursor file

WB2 QuattroPro for Windows Spreadsheet file

00 00 02 00 06 04 06 00
08 00 00 00 00 00 ........
......

WK1 Lotus 1-2-3 spreadsheet (v1) file

00 00 03 F3 ...ó

n/a Amiga Hunk executable file

00 00 1A 00 00 10 04 00
00 00 00 00 ........
....

WK3 Lotus 1-2-3 spreadsheet (v3) file

00 00 1A 00 02 10 04 00
00 00 00 00 ........
....

WK4, WK5 Lotus 1-2-3 spreadsheet (v4, v5) file

00 00 1A 00 05 10 04 .......

123 Lotus 1-2-3 spreadsheet (v9) file

00 00 49 49 58 50 52 or ..IIXPR

00 00 4D 4D 58 50 52 ..MMXPR

QXD Quark Express document (Intel & Motorola, respectively)
NOTE: It appears that the byte following the 0x52 ("R") is
the language indicator; 0x33 ("3") seems to indicate English
and 0x61 ("a") reportedly indicates Korean.

00 00 FE FF ..þÿ

n/a Byte-order mark for 32-bit Unicode Transformation Format/
4-octet Universal Character Set (UTF-32/UCS-4), big-endian files.
(See the Unicode Home Page.)

[6 byte offset]
00 00 FF FF FF FF [6 byte offset]
..ÿÿÿÿ

HLP Windows Help file

00 01 00 00 00 .....

TTF TrueType font file

00 01 00 00 4D 53 49 53
41 4D 20 44 61 74 61 62
61 73 65 ....MSIS
AM Datab
ase

MNY Microsoft Money file

00 01 00 00 53 74 61 6E
64 61 72 64 20 41 43 45
20 44 42 ....Stan
dard ACE
DB

ACCDB Microsoft Access 2007 file

00 01 00 00 53 74 61 6E
64 61 72 64 20 4A 65 74
20 44 42 ....Stan
dard Jet
DB

MDB Microsoft Access file

00 01 00 08 00 01 00 01
01 ........
.

IMG Ventura Publisher/GEM VDI Image Format Bitmap file

00 01 01 ...

FLT OpenFlight 3D file

00 01 42 41 ..BA

ABA Palm Address Book Archive file

00 01 42 44 ..BD

DBA Palm DateBook Archive file

00 06 15 61 00 00 00 02
00 00 04 D2 00 00 10 00 ...a....
...Ò....

DB Netscape Navigator (v4) database file

00 0D BB A0 ..»

n/a Mbox table of contents file. (NOTE: The next four bytes
appear to be the number of e-mails in the associated mbox file.)

00 11 AF ..¯

FLI FLIC Animation file

00 14 00 00 01 02 xx xx
03 ........
.

n/a BIOS details in RAM images

00 1E 84 90 00 00 00 00 ..„.....

SNM Netscape Communicator (v4) mail folder

00 20 AF 30 . ¯0

TPL Wii images container

00 5C 41 B1 FF .\A±ÿ

ENC Mujahideen Secrets 2 encrypted file

[512 (0x200) byte offset]
00 6E 1E F0 [512 (0x200) byte offset]
.n.ð

PPT PowerPoint presentation subheader (MS Office)

00 BF .¿

SOL Adobe Flash shared object file (e.g., Flash cookies)

00 FF FF FF FF FF FF FF
FF FF FF 00 00 02 00 01 .ÿÿÿÿÿÿÿ
ÿÿÿ.....

MDF Alcohol 120% CD image

01 00 00 00 ....

EMF Extended (Enhanced) Windows Metafile Format, printer spool file
(0x18-17 & 0xC4-36 is Win2K/NT; 0x5C0-1 is WinXP)

01 00 00 00 01 .....

PIC Unknown type picture file

01 00 09 00 00 03 ......

WMF Windows Metadata file (Win 3.x format)

01 00 02 00 ....

ARF Webex Advanced Recording Format files.

01 00 39 30 ..90

FDB, GDB Firebird and Interbase database files, respectively. See
IBPhoenix for more information.

01 01 47 19 A4 00 00 00
00 00 00 00 ..G.#xA4...
....

TBI The Bat! secure e-mail Message Base Index file

01 0F 00 00 ....

MDF Microsoft SQL Server 2000 database

01 10 ..

TR1 Novell LANalyzer capture file

01 DA 01 01 00 03 .Ú....

RGB Silicon Graphics RGB Bitmap

01 FF 02 04 03 02 .ÿ....

DRW Micrografx vector graphic file

02 64 73 73 .dss

DSS Digital Speech Standard (Olympus, Grundig, & Phillips)

03 .

DAT MapInfo Native Data Format

DB3 dBASE III file

03 00 00 00 ....

QPH Quicken price history file

03 00 00 00 41 50 50 52 ....APPR

ADX Approach index file

04 .

DB4 dBASE IV data file

04 00 00 00 xx xx xx xx
xx xx xx xx 20 03 00 00 or ........
.... ...

05 00 00 00 xx xx xx xx
xx xx xx xx 20 03 00 00 ........
.... ...

n/a INFO2 Windows recycle bin file. NOTE: Bytes 12-13
indicate the size of each INFO2 record; the most common
value is 0x20-03 (0x0320 = 800 bytes).

06 06 ED F5 D8 1D 46 E5
BD 31 EF E7 FE 74 B7 1D ..íõØ.Få
½1ïçþt·.

INDD Adobe InDesign document

06 0E 2B 34 02 05 01 01
0D 01 02 01 01 02 ..+4....
......

MXF Material Exchange Format file

07 .

DRW A common signature and file extension for many drawing
programs.

07 53 4B 46 .SKF

SKF SkinCrafter skin file

07 64 74 32 64 64 74 64 .dt2ddtd

DTD DesignTools 2D Design file

08 .

DB dBASE IV or dBFast configuration file

08 00 45 ..E

n/a Possibly, maybe, might be a fragment of an Ethernet frame carrying
an IPv4 packet. See Hints About Looking for Network Packet Fragments.

[512 (0x200) byte offset]
09 08 10 00 00 06 05 00 [512 (0x200) byte offset]
........

XLS Excel spreadsheet subheader (MS Office)

0A nn 01 01 ....

PCX ZSOFT Paintbrush file
(where nn = 0x02, 0x03, or 0x05)

0A 16 6F 72 67 2E 62 69
74 63 6F 69 6E 2E 70 72 ..org.bi
tcoin.pr

WALLET MultiBit Bitcoin wallet file

0C ED .í

MP Monochrome Picture TIFF bitmap file (unconfirmed)

0D 44 4F 43 .DOC

DOC DeskMate Document file

0E 4E 65 72 6F 49 53 4F .NeroISO

NRI Nero CD Compilation

0E 57 4B 53 .WKS

WKS DeskMate Worksheet

[512 (0x200) byte offset]
0F 00 E8 03 [512 (0x200) byte offset]
..è.

PPT PowerPoint presentation subheader (MS Office)

10 00 00 00 ....

CL5 Easy CD Creator 5 Layout file

1A 00 00 ...

NTF Lotus Notes database template

1A 00 00 04 00 00 ......

NSF Lotus Notes database

1A 0x ..

ARC LH archive file, old version
(where x = 0x2, 0x3, 0x4, 0x8 or 0x9
for types 1-5, respectively)

1A 0B ..

PAK Compressed archive file
(often associated with Quake Engine games)

1A 35 01 00 .5..

ETH GN Nettest WinPharoah capture file

1A 45 DF A3 .Eß£

MKV Matroska stream file

WEBM WebM video file

1A 52 54 53 20 43 4F 4D
50 52 45 53 53 45 44 20
49 4D 41 47 45 20 56 31
2E 30 1A .RTS COM
PRESSED
IMAGE V1
.0.

DAT Runtime Software compressed disk image

1D 7D .}

WS WordStar Version 5.0/6.0 document

1F 8B 08 .‹.

GZ, TGZ GZIP archive file

VLT VLC Player Skin file

1F 9D ..

TAR.Z Compressed tape archive file using standard (Lempel-Ziv-Welch) compression

1F A0 .

TAR.Z Compressed tape archive file using LZH (Lempel-Ziv-Huffman) compression

21 !

BSB MapInfo Sea Chart

21 12 !.

AIN AIN Compressed Archive

21 3C 61 72 63 68 3E 0A !<arch>.

LIB Unix archiver (ar) files and Microsoft Program Library
Common Object File Format (COFF)

21 42 44 4E

Hex Signature		ASCII Signature
File Extension		File Description
TGA		Truevision Targa Graphic file Trailer: 54 52 55 45 56 49 53 49 TRUEVISI 4F 4E 2D 58 46 49 4C 45 ON-XFILE 2E 00 ..
00		.
PIC		IBM Storyboard bitmap file
MOV		Apple QuickTime movie file
PIF		Windows Program Information File
SEA		Mac Stuffit Self-Extracting Archive
YTR		IRIS OCR data file
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00		........ ........
XXX		Compucon/Singer embroidery design file
[11 byte offset] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00		[11 byte offset] ........ ........ ........
PDB		Palmpilot Database/Document File
[512 (0x200) byte offset] 00 00 00 00 00 00 00 00		[512 (0x200) byte offset] ........
RVT		Revit Project File subheader
00 00 00 00 14 00 00 00		........
TBI		Windows Disk Image file
[8 byte offset] 00 00 00 00 62 31 05 00 09 00 00 00 00 20 00 00 00 09 00 00 00 00 00 00		[8 byte offset] ....b1.. ..... .. ........
DAT		Bitcoin Core wallet.dat file
00 00 00 0C 6A 50 20 20 0D 0A		....jP ..
JP2		Various JPEG-2000 image file formats
00 00 01 00		....
ICO		Windows icon file
SPL		Windows NT/2000/XP printer spool file
00 00 01 Bx		....
MPEG, MPG		MPEG video file Trailer: 00 00 01 B7 (...·)
00 00 01 BA		....º
MPG, VOB		DVD Video Movie File (video/dvd, video/mpeg) or DVD MPEG2 Trailer: 00 00 01 B9 (...¹)
00 00 02 00		......
CUR		Windows cursor file
WB2		QuattroPro for Windows Spreadsheet file
00 00 02 00 06 04 06 00 08 00 00 00 00 00		........ ......
WK1		Lotus 1-2-3 spreadsheet (v1) file
00 00 03 F3		...ó
n/a		Amiga Hunk executable file
00 00 1A 00 00 10 04 00 00 00 00 00		........ ....
WK3		Lotus 1-2-3 spreadsheet (v3) file
00 00 1A 00 02 10 04 00 00 00 00 00		........ ....
WK4, WK5		Lotus 1-2-3 spreadsheet (v4, v5) file
00 00 1A 00 05 10 04		.......
123		Lotus 1-2-3 spreadsheet (v9) file
00 00 49 49 58 50 52 or		..IIXPR
00 00 4D 4D 58 50 52		..MMXPR
QXD		Quark Express document (Intel & Motorola, respectively) NOTE: It appears that the byte following the 0x52 ("R") is the language indicator; 0x33 ("3") seems to indicate English and 0x61 ("a") reportedly indicates Korean.
00 00 FE FF		..þÿ
n/a		Byte-order mark for 32-bit Unicode Transformation Format/ 4-octet Universal Character Set (UTF-32/UCS-4), big-endian files. (See the Unicode Home Page.)
[6 byte offset] 00 00 FF FF FF FF		[6 byte offset] ..ÿÿÿÿ
HLP		Windows Help file
00 01 00 00 00		.....
TTF		TrueType font file
00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65		....MSIS AM Datab ase
MNY		Microsoft Money file
00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42		....Stan dard ACE DB
ACCDB		Microsoft Access 2007 file
00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42		....Stan dard Jet DB
MDB		Microsoft Access file
00 01 00 08 00 01 00 01 01		........ .
IMG		Ventura Publisher/GEM VDI Image Format Bitmap file
00 01 01		...
FLT		OpenFlight 3D file
00 01 42 41		..BA
ABA		Palm Address Book Archive file
00 01 42 44		..BD
DBA		Palm DateBook Archive file
00 06 15 61 00 00 00 02 00 00 04 D2 00 00 10 00		...a.... ...Ò....
DB		Netscape Navigator (v4) database file
00 0D BB A0		..»
n/a		Mbox table of contents file. (NOTE: The next four bytes appear to be the number of e-mails in the associated mbox file.)
00 11 AF		..¯
FLI		FLIC Animation file
00 14 00 00 01 02 xx xx 03		........ .
n/a		BIOS details in RAM images
00 1E 84 90 00 00 00 00		..„.....
SNM		Netscape Communicator (v4) mail folder
00 20 AF 30		. ¯0
TPL		Wii images container
00 5C 41 B1 FF		.\A±ÿ
ENC		Mujahideen Secrets 2 encrypted file
[512 (0x200) byte offset] 00 6E 1E F0		[512 (0x200) byte offset] .n.ð
PPT		PowerPoint presentation subheader (MS Office)
00 BF		.¿
SOL		Adobe Flash shared object file (e.g., Flash cookies)
00 FF FF FF FF FF FF FF FF FF FF 00 00 02 00 01		.ÿÿÿÿÿÿÿ ÿÿÿ.....
MDF		Alcohol 120% CD image
01 00 00 00		....
EMF		Extended (Enhanced) Windows Metafile Format, printer spool file (0x18-17 & 0xC4-36 is Win2K/NT; 0x5C0-1 is WinXP)
01 00 00 00 01		.....
PIC		Unknown type picture file
01 00 09 00 00 03		......
WMF		Windows Metadata file (Win 3.x format)
01 00 02 00		....
ARF		Webex Advanced Recording Format files.
01 00 39 30		..90
FDB, GDB		Firebird and Interbase database files, respectively. See IBPhoenix for more information.
01 01 47 19 A4 00 00 00 00 00 00 00		..G.#xA4... ....
TBI		The Bat! secure e-mail Message Base Index file
01 0F 00 00		....
MDF		Microsoft SQL Server 2000 database
01 10		..
TR1		Novell LANalyzer capture file
01 DA 01 01 00 03		.Ú....
RGB		Silicon Graphics RGB Bitmap
01 FF 02 04 03 02		.ÿ....
DRW		Micrografx vector graphic file
02 64 73 73		.dss
DSS		Digital Speech Standard (Olympus, Grundig, & Phillips)
03		.
DAT		MapInfo Native Data Format
DB3		dBASE III file
03 00 00 00		....
QPH		Quicken price history file
03 00 00 00 41 50 50 52		....APPR
ADX		Approach index file
04		.
DB4		dBASE IV data file
04 00 00 00 xx xx xx xx xx xx xx xx 20 03 00 00 or		........ .... ...
05 00 00 00 xx xx xx xx xx xx xx xx 20 03 00 00		........ .... ...
n/a		INFO2 Windows recycle bin file. NOTE: Bytes 12-13 indicate the size of each INFO2 record; the most common value is 0x20-03 (0x0320 = 800 bytes).
06 06 ED F5 D8 1D 46 E5 BD 31 EF E7 FE 74 B7 1D		..íõØ.Få ½1ïçþt·.
INDD		Adobe InDesign document
06 0E 2B 34 02 05 01 01 0D 01 02 01 01 02		..+4.... ......
MXF		Material Exchange Format file
07		.
DRW		A common signature and file extension for many drawing programs.
07 53 4B 46		.SKF
SKF		SkinCrafter skin file
07 64 74 32 64 64 74 64		.dt2ddtd
DTD		DesignTools 2D Design file
08		.
DB		dBASE IV or dBFast configuration file
08 00 45		..E
n/a		Possibly, maybe, might be a fragment of an Ethernet frame carrying an IPv4 packet. See Hints About Looking for Network Packet Fragments.
[512 (0x200) byte offset] 09 08 10 00 00 06 05 00		[512 (0x200) byte offset] ........
XLS		Excel spreadsheet subheader (MS Office)
0A nn 01 01		....
PCX		ZSOFT Paintbrush file (where nn = 0x02, 0x03, or 0x05)
0A 16 6F 72 67 2E 62 69 74 63 6F 69 6E 2E 70 72		..org.bi tcoin.pr
WALLET		MultiBit Bitcoin wallet file
0C ED		.í
MP		Monochrome Picture TIFF bitmap file (unconfirmed)
0D 44 4F 43		.DOC
DOC		DeskMate Document file
0E 4E 65 72 6F 49 53 4F		.NeroISO
NRI		Nero CD Compilation
0E 57 4B 53		.WKS
WKS		DeskMate Worksheet
[512 (0x200) byte offset] 0F 00 E8 03		[512 (0x200) byte offset] ..è.
PPT		PowerPoint presentation subheader (MS Office)
10 00 00 00		....
CL5		Easy CD Creator 5 Layout file
1A 00 00		...
NTF		Lotus Notes database template
1A 00 00 04 00 00		......
NSF		Lotus Notes database
1A 0x		..
ARC		LH archive file, old version (where x = 0x2, 0x3, 0x4, 0x8 or 0x9 for types 1-5, respectively)
1A 0B		..
PAK		Compressed archive file (often associated with Quake Engine games)
1A 35 01 00		.5..
ETH		GN Nettest WinPharoah capture file
1A 45 DF A3		.Eß£
MKV		Matroska stream file
WEBM		WebM video file
1A 52 54 53 20 43 4F 4D 50 52 45 53 53 45 44 20 49 4D 41 47 45 20 56 31 2E 30 1A		.RTS COM PRESSED IMAGE V1 .0.
DAT		Runtime Software compressed disk image
1D 7D		.}
WS		WordStar Version 5.0/6.0 document
1F 8B 08		.‹.
GZ, TGZ		GZIP archive file
VLT		VLC Player Skin file
1F 9D		..
TAR.Z		Compressed tape archive file using standard (Lempel-Ziv-Welch) compression
1F A0		.
TAR.Z		Compressed tape archive file using LZH (Lempel-Ziv-Huffman) compression
21		!
BSB		MapInfo Sea Chart
21 12		!.
AIN		AIN Compressed Archive
21 3C 61 72 63 68 3E 0A		!<arch>.
LIB		Unix archiver (ar) files and Microsoft Program Library Common Object File Format (COFF)
21 42 44 4E

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FILE SIGNATURES TABLE

FILE SIGNATURES TABLE

16 December 2017

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