List of file signatures

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This is a list of file signatures, data used to identify or verify the content of a file. This is also known as a magic number and is further explained in the Magic number (programming) article.

Hex signatureASCII
signatureOffsetFile extensionDescription00.0PIC

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

........

........
........

11PDBPalmpilot Database/Document File00 00 00 nn 66 74 79 70

33 67 70

....ftyp

3gp

03GG, 3GP, 3G23rd Generation Partnership Project 3GPP (nn=0x14)

and 3GPP2 (nn=0x20) multimedia files

00 00 00 18 66 74 79 70

33 67 70 35

....ftyp

3gp5

0MP4MPEG-4 video files1F 9D..0z, tar.zcompress file (often tar zip)

using Lempel-Ziv-Welch

1F A0..0z, tar.zcompress file (often tar zip)

using LZH (Lempel-Ziv-Huffman)

49 49 2A 00II*.0tif, tifftif file format50 4B 03 04PK..0zipzip file formatCA FE BA BEêto?0classJava bytecode fileFF FE..0Byte-order mark for 16-bit Unicode text fileFF FE 00 00....0Byte-order mark for 32-bit Unicode text file

Here is a recent extension of that list above.

Hex signatureFile extensionDescription818102000200070104AVBMS Chat Character81810300020007010400BGBMS Chat Background File3B2068656C702E687066HPFHP LaserJet Fonts4C44425800010100000000200000LDB/RDBInternet Log File (Zone Alarm)5456444227LOGZone Alarm Data File9901A2043CPKRPGP Public Key-ring File3C68746D6C3E0D0A3C62PLGMS Developer Build Log9501CF0436SKRPGP Secret Key-ring File74576263000000000000SYDQEMM / Sysedit Backup File535A4444 ??_MS Compress 5 File(?? Could be anything)4B57414A ??_MS Compress 6 File(?? Could be anything)60EAARJARJ Archive File424147BAGBAG Archive425A68BZBzip Archive File4D534346CABMicrosoft Cabinet File4D4D5320CKITCommodore Compressed File303730373037CPIOCPIO Archive File4352555348CRUCRUSH Archive File4841HAHA Archive File91334846HAPHAP Archive File28546869732066696C65HQXMac BinHex5F27A889JARJar Archive File2D6C68352DLHALHA Compressed File4D415243MARCMS Archive File4D48574BMHKBroderbund Mohawk Archive Format4453QQuantum Archive526172211A07003BRARRAR Compressed FileEDABEEDBRPMRedhat Linux Archive53495421SITStuffit v1 Archive File53747566664974SITStuffit v5 Archive File484C53515ASQZSQZ Archive File417070204E616D6509STFShrinkToFit Compressed Archive554641UFAUFA Archive File7863722046696C65XCRXCR Archive File504B0304140000000800ZIPWinzip 8.1504B3030504B0304ZIPWINZIP Compressed5A4F4F20ZOOZOO Compressed File2E736E64AUSoundMachine Audio File49424B1AIBKSoundblaster Instrument Bank4D503344415441M3DMPEG Audio Datafile4D546864MIDI/MIDMusical Instrument Digital Interface (MIDI) File2E7261FDRA/RAMReal Audio File2E524D46RMReal Media File5354455645024880SNDAU Format Sound437265617469766520566F6963652046696C651AVOCCreative Sound File52494646WAVWave Audio File3B0D0A3BASMUncompiled Assembly Code0000000C000000ATNAdobe Photoshop Script406563686F206F66660DBTMNDOS Batch to Memory23212F62696E2F73680ACGICommon Gateway Interface Script2F2A202A202A202A202AHC++ Header File484FF3C976332E39392EOBSObjectScript56435043483000000000PCHMS C++ Precompiled Header File00000100000001480000RSCCompiled ResourcesDCFEEFXeFax file format0363080ADBFDatabase File000100005374616E6461MDBMicrosoft Access file4D4C42MLBMyLittleBase Database File00000041424300000000ABCMicrografx ABC Flowcharter5157205665722E20ABDQuicken Data File30000004150505ADXLotus Approach ADX File252150532D41646F6265AIAdobe Illustrator5B7665725DAMILotus Ami Pro5008APPClarion File Format49545346030000006000CHMCompiled HTML Help File464158434F5645CPEMS Office Fax CoverD0CF11E0A1B11AE1DOCWord 10 Office 2000 FileD0CF11E0A1B11AE1DOCWord 8.0 Office 97 FileD0CF11E0A1B11AE1DOCGeneric MS Office File504B0304140000000000DOCStar Writer 6.031BE000000AB0000DOCMS Word for DOS v6 File1234567890FFDOCMS Word 6.0 File7FFE340ADOCMS Word File4D47582069747064DS4Micrografix Designer 44D5600FF0C0010000000DSTMicrografx Designer Template3C21454E54495459DTDXml DTDC5D0D3C6EPSAdobe Encapsulated PostScript File00001A0007800100FM3Lotus 123 v3 FMT File2000680020FMTLotus 123 v4 FMT File3C68746D6C3EHTMHyperText Markup Language 1 File3C48544D4C3EHTMHyperText Markup Language 2 File3C21444F4354HTMHyperText Markup Language 3 File000100004D534953414D204461746162617365MNYMicrosoft Money File1A0000030000NSFLotus Notes Data File1A000003000011000100NTFLotus Notes Data File255044462D312E320D0A25E2E3CFPDFPDF-1.2AC9EBD8FQDFQuicken Data File5157205665722E20QSDQuicken Data File7B5C727466RTFRich Text FormatD0CF11E0A1B11AE1000000000000SDWStar Writer 3 - 5C354565362BD8AFF0000TV4WordPerfect Insert Overflow - Doc 42000604060WK1Lotus 123 v1 Worksheet00001A0000100400WK3Lotus 123 v3 Worksheet00001A0002100400WK4Lotus 123 v500001A001004WKSLotus MS Worksheet2000604060WKSLotus 123 v1 WorksheetFF575043WPWordPerfect v5 or v6090808000005000433XLBMicrosoft Excel Workbook0904060000004000XLMMicrosoft Excel Macro0902060000001000B9045C00XLSMS Excel v2D0CF11E0A1B11AE1XLSExcel 8.0 Office 97 Type 2 FileD0CF11E0A1B11AE1XLSExcel 8.0 Office 97 Type 1 File0904060000001000F6055C00XLSMS Excel v4 FileFFFE3C0052004F004F00540053005400550042XMLMS Excel Document3C3F786D6CXMLMS Excel XML Document3D023D2Stereo CAD-3D 2 File33444D463DMF3D Meta File2A2A544939322A2A0100586E566992ITI Bitmap414D4646AMFFAMFF Image File4A47040E000000ARTAOL ART 14A47030E000000ARTAOL ART 2424DBMPBitmap Generic File424DBMPBitmap Type 1 File424DBMPBitmap Type 2 File424DBMPBitmap Type 3 FileBB010001C800C80001BRK/301Brooktrout Fax737263646F6369643ACAL/CALSCALS Raster Image07204D4DCAMQV-10 Camera File20770002CBDVector Map Data Format45594553CE1/CE2Computer Eyes File802A5FD700000800000004000000CINKodac Cineon43616C6967617269COB/SCNCaligari Truespace 2 File43505446494C45CPTCorel Photopaint43414C414D5553435647CVGCalamus3ADE68B1DCXDCX Graphic File56697374612044454D2046696C65DEMVista Landscape Format424D36DIBDIB Image File53445058DPXCineon Image File01FF02040302DRWMicrographx Graphic41433130DWGAutocad R13/R14 File65020102ECWEnhanced Compressed Wavelet0100000058000000EMFEnhanced Metafile GraphicD0CF11E0A1B11AE100FPXFlashPix53494D504C4520203DFTSFlexible Image Transport System47494638GIFALL Types4850485034382D451E2BGROHP-48/49 GROB6E636F6C73HDRArcoInfo Binary Image354B5035315D2A67727280838563HRUHRU ImageEB3C902AIMGGEM Raster file656C6D6FINFINI-DInfini-D Graphics File49574301IWCWaveL Image803E445343494DJ6IRicoh Camera Image File4A4946393961JIFJeff's Image Format0000000C6A5020200D0A870AJP2JPEG-2000 JP2 ImageFFD8FFE1JPGGeneric 1 JPGFFD8FFE0JPGGeneric 2 JPGFFD8FFE14ED84578696600004949JPGKodak4D4D002AKDCKodak Camera DC20/40/5036344C414E204944424C4F434BL6464LAN Image File464F524DLBMInterchange File49492A00080000000E0000010400LDFLuraDocument Format575602004745000ELWFLuraWave Format3700001042000010000000003964MBMPsion Series 5 Bitmap4D474CMGLMosASCII Graphics Library File7B0A202043726561746564MIFImage Magick File8A4D4E470D0A1A0AMNGMultiple Image Format4D5046MPW/MPFMosASCII Project Workspace File44616E4DMSPWindows Paint File433634N6464NET Image File6E6E0A005E00NCRNCR G46E6666NFFWorldToolKit Neutral File Format4E4747000100NGGNokia Group Graphics4E4C4D20010200NLMNokia Logo File4E4F4C00010006010300NOLNokia Operator Logo4148PALDr. Halo Palette File0000002000000001PATGimp Pattern504158PAXSecure Image File50340APBMPortable Bitmap6352010138093D00PCDKodak PhotoCD1B451B266C304F1B266C30451B26PCLPage Control Language0A050108PCXPC Paintbrush5032PGMPortable Greymap File50350APGMPortable Greyscale5380F6344020PICSoftimage504943DC30300100PICPsion Series 3 Bitmap9119PICPIC File50495820PIXPABX Background89504E470D0A1A0APNGPortable Network Graphic889A0D12PNGPortable Network Graphics File504F4C20466F726D6174POLPolygon Model File5033PPMPortable Pixmap File38425053000100000000PSDAdobe PhotoShop7E424B00PSPPaint Shop Pro File5061696E742053686F702050726F20496D6167652046696C65PSPPaint Shop Pro File514C4949464158QFXFax Image File6D6F6F76QTMApple Quick Time File464F524D41543DRADRadiance59A66A95RASSUN Raster File01DA01010003RGBSilicon Graphics RGB52495833RIXColoRIX File23202449643A20SIDSeamless Image Graphic File4175746F43414420536C696465SLB/SLDSlide Library File53746F726D3344SODStorm 3D Object Definition49492A00TIF/TIFFTIFF Image File4D4D2ATIF/TIFFTIF Image File (Motorola)FADEBABE0101WICJ Wavelet Image CodecD323000003000000WLMCompW ImageD7CDC69AWMFWindows graphics metafileFF57504310WPGWordPerfect Graphic2356524D4C2056322E30WRLVRML Version 2 Image23646566696E65XBMXBM - X11 Bitmap2F2A2058504D202A2FXPMXPM - X11 Pixmap436C69656E742055726C43616368DATIE History DAT File55524C20020000DAT98 IE Cache Index dat ver 1 File55524C20030000DAT98 IE Cache Index dat ver 2 File55524C20020000DAT98 IE History Subfolder Index dat ver 1 File55524C20030000DAT98 IE History Subfolder Index dat ver 2 File55524C20020000DAT98 & XP IE History Root Index dat ver 1 File55524C20030000DAT98 & XP IE History Root Index dat ver 2 File55524C20020000DATXP IE Hist Subfolder Index dat ver 1 File55524C20020000DATXP IE Hist Subfolder Index dat ver 2 File55524C20020000DATXP IE Cache Index dat ver 1 File55524C20030000DATXP IE Cache Index dat ver 1 File5B50686F6E655DDUNDial-Up Network Export FileCFAD12FEC5FDDBXOutlook Express Email Storage File3C21646F63747970652068746D6C207075626C6963DCIAOL Web Email52657475726E2D506174683A203CEMLOutlook Express Email Message46726F6D202D20EMLNetscape Email Message46726F6D203F3F3F403F3F3F20EMLEudora Email Message46726F6D3A20EMLGeneric Email Message2142444EPSTOutlook 97 File0006156100000002000004D20000HSTNetscape HST574542IGYWeb Query5745420D0A310D0A687474703A2FIQYMicrosoft Web Query5F434153455FCAS/CBKEnCase Case (or Backup) FileFEEF01GHONorton Ghost Image File43363453207461706520696D6167652066696C65T64C64 Tape Image43363420434152545249444745CRTC64 Emul Cartridge FileBABEEBEAANINEOchrome Animation File4C504620ANMDeluxePaint Animation3026B2758E66CF11A6D900AA0062ASFWindows Media (ASF Compression)41564920AVIAudio Video Interleave (AVI) File52494646AVIAVI Type 1 File56445649AVSIntel Digital Video Interface File44564DDVMDVM Movie File52414E44FilmstripAdobe Filmstrip File FormatAF12FLCAnimator Pro Flic Files494D4443IC1/IC2/IC3Atari Image Film4C5A414E494DLZALempel-Ziv-Oberhumer Compressed Animation07010100436F70797269MMMMicrosoft Media Clip000007B56D6F6F76MOVQuickTime Movie File6D646174MOV;QTQuick Time Movie File000001B3MPEGMPEG Video File5E405C6E534D4A504547SMJPEGSimple Animation File52494646ANICursor File4D5A9000030000000400APIPrinter Info FileB5A2B0B3B3B0A2B5CALWindows 3.1 Calendar52545353CAPWindows NT Netmon Capture File4D53434600000000CDMWindows Update File50C30100080028CLPWindows Clipboard File43524547DATWindows 95 Registry Files5348434333DATWindows 3.1 Registry File (REG.DAT)202020202020696E7465FONFont File3F5F0300GIDGeneral Index504D4343GRPMS Windows Group3F5F0300HLPWindows Help File4C4E0200HLPWindows Help File48797065725465726D69HTHyperTerminal File5B4578745368656C6C466F6C6465INIDesktop.ini Folder Setting File47040100JOBScheduled Tasks File7B0D0A6F206331LGCApplication Log File4C00000001140200LNKWindows Shortcut File4C5441520001LTRLetter File2A5050442D41646F6265PPDPostscript Printer Description FileE3828596010000PWLWindows Password File5245474544495434REGWindows NT Registry File0D0A5B536865SCFShell Command File3B0D0A3B205468697320697320SCPDial-Up Network Script4D5A90000300000004000000FFFFSCRScreen Saver6749000078SHDPrinter Spool File4B490000SHDPrinter Spool File5245474544495434SUDRegistry Undo FilesFF4B455942202020SYSKeyboard driver file