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List of file signatures

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List of file signatures

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This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes.

Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible. However, sometimes the file signature can be recognizable when interpreted as text. The column ISO 8859-1 shows how the file signature appears when interpreted as text in the common ISO 8859-1 encoding, with unprintable characters represented as ..

Hex signature

ISO 8859-1

Offset

Filename extension

Description

23 21
#!

0

Script or data to be passed to the program following the shebang (#!)

a1 b2 c3 d4
d4 c3 b2 a1
¡²ÃÔ
Ôò¡

0

pcap

Libpcap File Format[1]

0a 0d 0d 0a
....

0

pcapng

PCAP Next Generation Dump File Format[2]

ed ab ee db
í«îÛ

0

rpm

RedHat Package Manager (RPM) package [3]

53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00
SQLite format 3.

0

sqlitedb
sqlite
db

SQLite Database [4]

53 50 30 31
SP01

0

bin

Amazon Kindle Update Package [5]

00
.

0

PIC
PIF
SEA
YTR

IBM Storyboard bitmap file

Windows Program Information File
Mac Stuffit Self-Extracting Archive
IRIS OCR data file

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

PDB

PalmPilot Database/Document File

BE BA FE CA
¾ºþÊ

0

DBA

Palm Desktop Calendar Archive

00 01 42 44
..BD

0

DBA

Palm Desktop To Do Archive

00 01 44 54
..DT

0

TDA

Palm Desktop Calendar Archive

54 44 46 24
TDF$

0

TDF$

Telegram Desktop File

54 44 45 46
TDEF

0

TDEF

Telegram Desktop Encrypted File

00 01 00 00
....

0

Palm Desktop Data File (Access format)

00 00 01 00
....

0

ico

Computer icon encoded in ICO file format[6]

66 74 79 70 33 67
ftyp3g

4

3gp
3g2

3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files

1F 9D
..

0

z
tar.z

compressed file (often tar zip)

using Lempel-Ziv-Welch algorithm

1F A0

0

z
tar.z

Compressed file (often tar zip)

using LZH algorithm

42 41 43 4B 4D 49 4B 45
44 49 53 4B
BACKMIKE
DISK

0

bac

File or tape containing a backup done with AmiBack on an Amiga.

It typically is paired with an index file (idx) with the table of contents.

42 5A 68
BZh

0

bz2

Compressed file using Bzip2 algorithm

47 49 46 38 37 61
47 49 46 38 39 61
GIF87a
GIF89a

0

gif

Image file encoded in the Graphics Interchange Format (GIF)[7]

49 49 2A 00
(little-endian format)
4D 4D 00 2A

(big-endian format)

II*.
MM.*

0

tif
tiff

Tagged Image File Format (TIFF)

49 49 2A 00 10 00 00 00
43 52
II*.....
CR

0

cr2

Canon RAW Format Version 2[8]
Canon's RAW format is based on TIFF.[9]

80 2A 5F D7
.*_.

0

cin

Kodak Cineon image

52 4E 43 01
52 4E 43 02
RNC.

0

Compressed file using Rob Northen Compression (version 1 and 2) algorithm

53 44 50 58
(big-endian format)
58 50 44 53

(little-endian format)

SDPX
XPDS

0

dpx

SMPTE DPX image

76 2F 31 01
v/1.

0

exr

OpenEXR image

42 50 47 FB
BPGû

0

bpg

Better Portable Graphics format[10]

FF D8 FF DB
FF D8 FF E0 00 10 4A 46 49 46 00 01

FF D8 FF EE
FF D8 FF E1 ?? ?? 45 78 69 66 00 00
ÿØÿÛ
ÿØÿà..JFIF..

ÿØÿî
ÿØÿá..Exif..

0

jpg
jpeg

JPEG raw or in the JFIF or Exif file format

46 4F 52 4D ?? ?? ?? ?? 49 4C 42 4D
FORM....
ILBM

0

ilbm
lbm
ibm
iff

IFF Interleaved Bitmap Image

46 4F 52 4D ?? ?? ?? ?? 38 53 56 58
FORM....
8SVX

0

8svx
8sv
svx
snd
iff

IFF 8-Bit Sampled Voice

46 4F 52 4D ?? ?? ?? ?? 41 43 42 4D
FORM....
ACBM

0

acbm
iff

Amiga Contiguous Bitmap

46 4F 52 4D ?? ?? ?? ?? 41 4E 42 4D
FORM....
ANBM

0

anbm
iff

IFF Animated Bitmap

46 4F 52 4D ?? ?? ?? ?? 
41 4E 49 4D
FORM....
ANIM

0

anim
iff

IFF CEL Animation

46 4F 52 4D ?? ?? ?? ?? 46 41 58 58
FORM....
FAXX

0

faxx
fax
iff

IFF Facsimile Image

46 4F 52 4D ?? ?? ?? ?? 46 54 58 54
FORM....
FTXT

0

ftxt
iff

IFF Formatted Text

46 4F 52 4D ?? ?? ?? ?? 53 4D 55 53
FORM....
SMUS

0

smus
smu
mus
iff

IFF Simple Musical Score

46 4F 52 4D ?? ?? ?? ?? 43 4D 55 53
FORM....
CMUS

0

cmus
mus
iff

IFF Musical Score

46 4F 52 4D ?? ?? ?? ?? 59 55 56 4E
FORM....
YUVN

0

yuvn
yuv
iff

IFF YUV Image

46 4F 52 4D ?? ?? ?? ?? 46 41 4E 54
FORM....
FANT

0

iff

Amiga Fantavision Movie

46 4F 52 4D ?? ?? ?? ?? 41 49 46 46
FORM....
AIFF

0

aiff
aif
aifc
snd
iff

Audio Interchange File Format

49 4E 44 58
INDX

0

idx

Index file to a file or tape containing a backup done with AmiBack on an Amiga.

4C 5A 49 50
LZIP

0

lz

lzip compressed file

4D 5A
MZ

0

exe
dll

DOS MZ executable file format and its descendants (including NE and PE)

50 4B 03 04
50 4B 05 06
(empty archive)
50 4B 07 08

(spanned archive)

PK..

0

zip
aar
apk
docx
epub
ipa
jar
kmz
maff
odp
ods
odt
pk3
pk4
pptx
usdz
vsdx
xlsx
xpi

zip file format and formats based on it, such as EPUB, JAR, ODF, OOXML

52 61 72 21 1A 07 00
Rar!...

0

rar

RAR archive version 1.50 onwards[11]

52 61 72 21 1A 07 01 00
Rar!....

0

rar

RAR archive version 5.0 onwards[12]

5A 4D
ZM

0

exe

DOS ZM executable file format and its descendants (rare)

7F 45 4C 46
.ELF

0

Executable and Linkable Format

89 50 4E 47 0D 0A 1A 0A
.PNG....

0

png

Image encoded in the Portable Network Graphics format[13]

C9
È

0

com

CP/M 3 and higher with overlays[14]

CA FE BA BE
Êþº¾

0

class

Java class file, Mach-O Fat Binary

EF BB BF


0

UTF-8 encoded Unicode byte order mark, commonly seen in text files.

FE ED FA CE
........

0

0x1000

Mach-O binary (32-bit)

FE ED FA CF
........

0

0x1000

Mach-O binary (64-bit)

FE ED FE ED
þíþí

0

JKS JavakeyStore

CE FA ED FE
........

0

Mach-O binary (reverse byte ordering scheme, 32-bit)[15]

CF FA ED FE
........

0

Mach-O binary (reverse byte ordering scheme, 64-bit)[15]

FF FE
..

0

Byte-order mark for text file encoded in little-endian 16-bit Unicode Transfer Format

FF FE 00 00
....

0

Byte-order mark for text file encoded in little-endian 32-bit Unicode Transfer Format

25 21 50 53
%!PS

0

ps

PostScript document

49 54 53 46 03 00 00 00 60 00 00 00
ITSF....`...

0

chm

MS Windows HtmlHelp Data

25 50 44 46 2d
%PDF-

0

pdf

PDF document[16]

30 26 B2 75 8E 66 CF 11
A6 D9 00 AA 00 62 CE 6C
0&²u.fÏ
.¦Ù.ª.bÎl

0

asf
wma
wmv

Advanced Systems Format[17]

24 53 44 49 30 30 30 31
$SDI0001

0

System Deployment Image, a disk image format used by Microsoft

4F 67 67 53
OggS

0

ogg
oga
ogv

Ogg, an open source media container format

38 42 50 53
8BPS

0

psd

Photoshop Document file, Adobe Photoshop's native file format

52 49 46 46 ?? ?? ?? ?? 57 41 56 45
RIFF....
WAVE

0

wav

Waveform Audio File Format

52 49 46 46 ?? ?? ?? ?? 41 56 49 20
RIFF....
AVI.

0

avi

Audio Video Interleave video format

FF FB
FF F3
FF F2
ÿû
ÿó
ÿò

0

mp3

MPEG-1 Layer 3 file without an ID3 tag or with an ID3v1 tag (which's appended at the end of the file)

49 44 33
ID3

0

mp3

MP3 file with an ID3v2 container

42 4D
BM

0

bmp
dib

BMP file, a bitmap format used mostly in the Windows world

43 44 30 30 31
CD001

0x8001

0x8801
0x9001

iso

ISO9660 CD/DVD image file[18]

53 49 4D 50 4C 45 20 20
3D 20 20 20 20 20 20 20
20 20 20 20 20 20 20 20
20 20 20 20 20 54
SIMPLE  
=       
        
     T

0

fits

Flexible Image Transport System (FITS)[19]

66 4C 61 43
fLaC

0

flac

Free Lossless Audio Codec[20]

4D 54 68 64
MThd

0

mid
midi

MIDI sound file[21]

D0 CF 11 E0 A1 B1 1A E1

0

doc
xls
ppt
msg

Compound File Binary Format, a container format used for document by older versions of Microsoft Office.[22] It is however an open format used by other programs as well.

64 65 78 0A 30 33 35 00
dex.035.

0

dex

Dalvik Executable

4B 44 4D
KDM

0

vmdk

VMDK files[23][24]

43 72 32 34
Cr24

0

crx

Google Chrome extension[25] or packaged app[26]

41 47 44 33
AGD3

0

fh8

FreeHand 8 document[27][28][29]

05 07 00 00 42 4F 42 4F
05 07 00 00 00 00 00 00
00 00 00 00 00 01
....BOBO
........
....

0

cwk

AppleWorks 5 document

06 07 E1 00 42 4F 42 4F
06 07 E1 00 00 00 00 00
00 00 00 00 00 01
....BOBO
........
....

0

cwk

AppleWorks 6 document

45 52 02 00 00 00
8B 45 52 02 00 00 00
ER....
ãER....

0

toast

Roxio Toast disc image file, also some .dmg-files begin with same bytes

78 01 73 0D 62 62 60
x.s.bb`

0

dmg

Apple Disk Image file

78 61 72 21
xar!

0

xar

eXtensible ARchive format[30]

50 4D 4F 43 43 4D 4F 43
PMOCCMOC

0

dat

Windows Files And Settings Transfer Repository[31]

See also USMT 3.0 (Win XP)[32] and USMT 4.0 (Win 7)[33] User Guides

4E 45 53 1A
NES

0

nes

Nintendo Entertainment System ROM file[34]

75 73 74 61 72 00 30 30
75 73 74 61 72 20 20 00
ustar.00
ustar  .

0x101

tar

tar archive[35]

4F 41 52 ??
OAR.

0

oar

OAR file archive format, where ?? is the format version.

74 6F 78 33
TOX

0

tox

Open source portable voxel file[36]

4D 4C 56 49
MLVI

0

MLV

Magic Lantern Video file[37]

44 43 4D 01 50 41 33 30
DCM PA30

0

Windows Update Binary Delta Compression[38]

37 7A BC AF 27 1C
7z¼¯'

0

7z

7-Zip File Format

1F 8B
..

0

gz
tar.gz

GZIP compressed file[39]

FD 37 7A 58 5A 00
²7zXZ..

0

xz
tar.xz

XZ compression utility
using LZMA2 compression

04 22 4D 18
."M.

0

lz4

LZ4 Frame Format[40]

Remark: LZ4 block format does not offer any magic bytes.[41]

4D 53 43 46
MSCF

0

cab

Microsoft Cabinet file

53 5A 44 44 88 F0 27 33
SZDD....

0

Various. (Replacing the last character of the original filename extension with an underscore, e.g. setup.exe becomes setup.ex_)

Microsoft compressed file in Quantum format, used prior to Windows XP. File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows.

46 4C 49 46
FLIF

0

flif

Free Lossless Image Format

1A 45 DF A3
.Eߣ

0

mkv
mka
mks
mk3d
webm

Matroska media container, including WebM

4D 49 4C 20
MIL 

0

stg

"SEAN : Session Analysis" Training file. Also used in compatible software "Rpw : Rowperfect for Windows" and "RP3W : ROWPERFECT3 for Windows".

41 54 26 54 46 4F 52 4D ?? ?? ?? ?? 44 4A 56
AT&TFORM....DJV

0

djvu
djv

DjVu document
The following byte is either 55 (U) for single-page or 4D (M) for multi-page documents.

30 82
0.

0

der

DER encoded X.509 certificate

44 49 43 4D
DICM

0x80

dcm

DICOM Medical File Format

77 4F 46 46
wOFF

0

woff

WOFF File Format 1.0

77 4F 46 32
wOF2

0

woff2

WOFF File Format 2.0

3c 3f 78 6d 6c 20
<?xml 

0

XML

eXtensible Markup Language when using the ASCII character encoding

00 61 73 6d
.asm

0

wasm

WebAssembly binary format[42]

cf 84 01

0

lep

Lepton compressed JPEG image[43]

43 57 53
46 57 53

CWS

0

swf

flash .swf

21 3C 61 72 63 68 3E

!<arch>.

0

deb

linux deb file

52 49 46 46 ?? ?? ?? ?? 57 45 42 50

RIFF....

0

webp

Google WebP image file, where ?? ?? ?? ?? is the file size. More information on WebP File Header

27 05 19 56
'..V

0

U-Boot / uImage. Das U-Boot Universal Boot Loader.[44]

7B 5C 72 74 66 31
{\rtf1

0

rtf

Rich Text Format

54 41 50 45
TAPE

0

Microsoft Tape Format

47
G

0

0x178

(every 188th byte)

ts

MPEG Transport Stream (MPEG-2 Part 1)

00 00 01 BA
....

0

m2p

MPEG Program Stream (MPEG-1 Part 1 (essentially identical) and MPEG-2 Part 1)

00 00 01 BA
47
00 00 01 B3
....
G
....

0

mpg

MPEG Program Stream

MPEG Transport Stream

MPEG-1 video and MPEG-2 video (MPEG-1 Part 2 and MPEG-2 Part 2)

00 00 00 18 66 74 79 70 69 73 6F 6D
ftypisom

4

mp4

ISO Base Media file (MPEG-4)

78 01
78 5E
78 9C
78 DA
78 20
78 7D
78 BB
78 F9
....

0

zlib

No Compression (no preset dictionary)

Best speed (no preset dictionary)

Default Compression (no preset dictionary)

Best Compression (no preset dictionary)

No Compression (with preset dictionary)

Best speed (with preset dictionary)

Default Compression (with preset dictionary)

Best Compression (with preset dictionary)

62 76 78 32
bvx2

0

lzfse

LZFSE - Lempel-Ziv style data compression algorithm using Finite State Entropy coding. OSS by Apple.[45]

4F 52 43
ORC

0

orc

Apache ORC (Optimized Row Columnar) file format

4F 62 6A 01
Obj.

0

avro

Apache Avro binary file format

53 45 51 36
SEQ6

0

rc

RCFile columnar file format

65 87 78 56
e.xV

0

PhotoCap Object Templates

55 55 aa aa
UU¬¬

0

pcv

PhotoCap Vector

78 56 34
xV4

0

PhotoCap Template

50 41 52 31
PAR1

0

Apache Parquet columnar file format

45 4D 58 32
EMX2

0

ez2

Emulator Emaxsynth samples

45 4D 55 33
EMU3

0

ez3

Emulator III synth samples

1B 4C 75 61
.Lua

0

luac

Lua bytecode[46]

62 6F 6F 6B 00 00 00 00 6D 61 72 6B 00 00 00 00
book....mark....

0

alias

macOS file Alias[47] (Symbolic link)

5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D
[ZoneTransfer]

0

Identifier

Microsoft Zone Identifier for URL Security Zones[48]

52 65 63 65 69 76 65 64
Received:

0

eml

Email Message var5[49]

20 02 01 62 A0 1E AB 07 02 00 00 00
 ..b .«.....

0

tde

Tableau Datasource

37 48 03 02 00 00 00 00 58 35 30 39 4B 45 59
7H......X509KEY

0

kdb

KDB file

85 ?? ?? 03
..

0

pgp

PGP file [50]

28 B5 2F FD
(µ/ý

0

zst

Zstandard compressed file[51][52]

52 53 56 4B 44 41 54 41
RSVKDATA

0

rs

QuickZip rs compressed archive[53][54]

3A 29 0A
:).

0

sml

Smile file

4A 6F 79 21
Joy!

0

Preferred Executable Format

31 0A 30 30
1.00

0

srt

SubRip File

34 12 AA 55
4.ªU

0

vpk

VPK file, used to store game data for some Source Engine games

58 46 49 52
XFIR

0

dcr

Adobe Shockwave

2A 2A 41 43 45 2A 3A
**ACE**

0

ace

ACE (compressed file format)

60 EA
`A

0

arj

ARJ

49 53 63 28
ISc(

0

cab

InstallShield CAB Archive File

4B 57 41 4A
KWAJ

0

??_

Windows 3.1x Compressed File

53 5A 44 44
SZDD

0

??_

Windows 9x Compressed File

5A 4F 4F
ZOO

0

zoo

Zoo (file format)

50 31 0A
P1.

0

pbm

Portable bitmap

50 32 0A
P2.

0

pgm

Portable Gray Map

50 33 0A
P3.

0

ppm

Portable Pixmap

D7 CD C6 9A
×ÍÆ.

0

wmf

Windows Metafile

67 69 6D 70 20 78 63 66
gimp xcf

0

xcf

XCF (file format)

2F 2A 20 58 50 4D 20 2A 2F
/* XPM */

0

xpm

X PixMap

41 46 46
AFF

0

aff

Advanced Forensics Format

45 56 46 32
EVF2

0

Ex01

EnCase EWF version 2 format

45 56 46
EVF

0

e01

EnCase EWF version 1 format

51 46 49
QFI

0

qcow

qcow file format

52 49 46 46 ?? ?? ?? ??
41 43 4F 4E
RIFF....
ACON

8

ani

Animated cursor

52 49 46 46 ?? ?? ?? ??
43 44 44 41
RIFF....
CDDA

8

cda

Compact Disc Digital Audio

52 49 46 46 ?? ?? ?? ??
51 4C 43 4D
RIFF....
QLCM

8

qcp

Qualcomm PureVoice file format

58 46 49 52 ?? ?? ?? ??
33 39 56 4D
XFIR....
39VM

8

dir

Macromedia Director file format

46 4C 56
FLV

0

flv

Flash Video file

3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E
<<< Oracle VM VirtualBox Disk Image >>>

0

vdi

VirtualBox Virtual Hard Disk file format

63 6F 6E 6E 65 63 74 69 78
connectix

0

vhd

Windows Virtual PC Virtual Hard Disk file format

76 68 64 78 66 69 6C 65
vhdxfile

0

vhdx

Windows Virtual PC Windows 8 Virtual Hard Disk file format

49 73 5A 21
IsZ!

0

isz

compressed ISO image

44 41 41
DAA

0

daa

Direct Access Archive PowerISO

4C 66 4C 65
LfLe

0

evt

Windows Event Viewer file format

50 4D 43 43
PMCC

0

grp

Windows 3.x Program Manager Program Group file format

4B 43 4D 53
KCMS

0

icm

ICC profile

72 65 67 66
regf

0

dat

Windows Registry file

21 42 44 4E
!BDN

0

pst

Microsoft Outlook Personal Storage Table file

See also[edit]

References[edit]

  1. ^ "Libpcap File Format". Retrieved 2018-06-19.
  2. ^ "PCAP Next Generation Dump File Format". Retrieved 2018-06-19.
  3. ^ "A. Format of the RPM file". Retrieved 2017-02-15.[permanent dead link]
  4. ^ "Database File Format". Retrieved 2018-11-16.
  5. ^ "GitHub - NiLuJe/KindleTool: Tool for creating/extracting Kindle updates and more". Retrieved 2017-02-15.
  6. ^ Icons (at MSDN)
  7. ^ GRAPHICS INTERCHANGE FORMAT(sm) Version 89a
  8. ^ Computer Knowledge. "File Extension .CR2 Details". filext.com.
  9. ^ "Inside the Canon RAW format version 2, understanding .CR2 file format and files produced by Canon EOS Digital Camera". free.fr.
  10. ^ Bellard, Fabrice (2015). "BPG Image format".
  11. ^ "TechNote.txt: RAR version 4.00 - Technical information". 2010-12-01. The marker block is actually considered as a fixed byte sequence: 0x52 0x61 0x72 0x21 0x1a 0x07 0x00 Missing or empty |url= (help)
  12. ^ "RAR 5.0 archive format". Retrieved 2013-05-01.
  13. ^ "RFC 2083 - PNG (Portable Network Graphics) Specification Version 1.0". ietf.org.
  14. ^ Elliott, John C.; Lopushinsky, Jim (2002) [1998-04-11]. "CP/M 3.0 COM file header". Seasip.info. Archived from the original on 2016-08-30. Retrieved 2016-08-29.
  15. ^ Jump up to: a b "Mac Developer Library". apple.com.
  16. ^ "File command PDF Magic format". Retrieved 2018-11-06.
  17. ^ "ASF (Advanced Systems Format)".
  18. ^ Gary C. Kessler (21 October 2012). "File Signatures Table". Retrieved 28 December 2012.
  19. ^ "Flexible Image Transport System (FITS), Version 3.0 - File type signifiers". 2012-09-26. Retrieved 24 January 2013.
  20. ^ Josh Coalson. "FLAC — format". Retrieved 4 April 2013. "fLaC", the FLAC stream marker in ASCII, meaning byte 0 of the stream is 0x66, followed by 0x4C 0x61 0x43
  21. ^ "File Signature Database: mid File Signatures". filesignatures.net.
  22. ^ "Developing a tool to recognise MS Office file types ( .doc, .xls, .mdb, .ppt )". social.msdn.microsoft.com. Archived from the original on 2014-08-09. Retrieved 2014-07-28.
  23. ^ "What Files Make Up a Virtual Machine?". vmware.com.
  24. ^ http://www.vmware.com/app/vmdk/?src=vmdk
  25. ^ "CRX Package Format". chrome.com.
  26. ^ "CRX Package Format". chrome.com.
  27. ^ "[Pythonmac-SIG] Discovering file type". python.org.
  28. ^ Tim Fisher. "FH8 File - What It Is & How To Open One". About.com Tech.
  29. ^ "Google Groups". google.com.
  30. ^ "xar - xarformat.wiki". code.google.com.
  31. ^ "Easily Restore Your Computer With File and Settings Transfer Wizard XP (Part 1)". howtogeek.com.
  32. ^ "User State Migration Tool 3.0". microsoft.com. Microsoft.
  33. ^ "User State Migration Tool 4.0 User's Guide". microsoft.com. Microsoft.
  34. ^ "NESRomTool::NES ROM Quickstart". sadistech.com.
  35. ^ "GNU tar 1.28: Basic Tar Format". gnu.org.
  36. ^ "UVOX Universal Voxel Translator - Man Page". tox.land. Archived from the original on 2016-05-08. Retrieved 2015-06-29.
  37. ^ "RAW Format v2.0 - Google Sheets". google.com.
  38. ^ "Using Binary Delta Compression (BDC) Technology to Update Windows Operating Systems". Microsoft. 10 June 2005. Retrieved 15 March 2015.
  39. ^ "Member header and trailer (RFC 1952, Section 2.3.1)". Retrieved 2018-10-29.
  40. ^ Collet, Yann. "LZ4 Frame format". github.com.
  41. ^ Collet, Yann. "LZ4 Block Format". github.com.
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