This is the list of every file type and file extension recognized by TrID file identifier. Check the Forum for a detailed change log. You are welcome to contribute with new defs: Send me them and you will be listed here! Check the TrIDScan page for a quick How-To. Thanks!

TrID file type / file extension definitions: 18449

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z !-@ _

A

Extension	File Type	Files scanned	Contributor
A	BSD library	50	Joerg Jenderek
A	Binding of Isaac Rebirth packed Archive	11
A	Go package (Win-64) (v1.x)	401
A/B/C	Gordi's Math Attack data	3
A	PA-RISC relocatable library	20	Joerg Jenderek
A	STK Attitude format	5
A	System V 64-bit library	15	Joerg Jenderek
A00/A01/B01	microTOOL install package	28
A01/ARV	Eschalon Setup ARCV compressed container	66
A01	Invision delta Animation	2
A01	Origin Systems's setup Archive	8
A1WISH	Audials One Wishlist	5
A2B	Adlib Tracker II instrument Bank	2
A2B	DigitalPhono A2B Player Playlist	4
A2D	Agros2D document	11
A2F	Adlib Tracker II instrument (with fm-registers macro)	2
A2I	Adlib Tracker II Instrument	2
A2M	AdLib Tracker II Module	174
A2MENU	Aston 2 Menu	7
A2P	Adlib Tracker II Pattern	2
A2R	A2R disk image (generic)	4
A2R	A2R disk image (v1)	2
A2R	A2R disk image (v2)	2
A2R	A2R disk image (v3)	5
A2T	Adlib Tracker II Tiny module	2
A2THEME	Aston 2 Theme	12
A2W	Adlib Tracker II instrument bank (with macro)	2
A2W	Alice 2 World	27
A3C	Alan v3 Compiled adventure	8
A3D/X	Amapi 3D model	38
A3D	AutoRENDER 3D model	9
A3D	KOMPAS-3D Assemblies	9
A3P	Alice 3 Project	8
A3P	GenCAM object model	3
A3W	Unpackaged Authorware 3 for Windows file	6
A3X	AutoIt v3 compiled script	8
A4E/A5E/A6E	Authorware Packaged library	15
A4L/A5L/A6L	Authorware Library	7
A4P/A5P/A6P	Authorware Packaged file (w/o runtime)	19
A4R/A5R/A6R	Authorware Packaged file (with runtime)	14
A4W	Apple II Oasis for Windows savestate	3
A5WCMP	Alpha Five Web Components	18
A78	Atari 7800 ROM	10
A8K	Atari800Win Plus Keyboard	3
A8S	Atari800Win Plus Snapshot (un-gzipped)	4
A8T	Atari800Win Plus Trainer	24
AA	Audible Audio	12
AA	Audible Audio (oldest format)	11
AA3	ATRAC3 encoded audio	5
AAB	Android App Bundle	12
AAC	Astrid/Quartex AAC encoded audio	6
AAC	MPEG-2 LC-AAC Audio	6
AAC	MPEG-4 LC-AAC Audio	3
AAE	Apple Sidecar data	10
AAF	Advanced Authoring Format	28
AAM	Art And Magic module	4
AAM	Authorware Shocked File (Map)	31
AAR	Aard Dictionary	10
AAR	Android Archive	5
AAR	Apple Archive (LZ4)	2
AAR	Apple Archive (LZFSE)	2
AAR	Apple Archive (LZMA)	2
AAR	Apple Archive (generic)	6	Tyler Thorsted
AAR	Apple Archive (raw)	2
AAR	Apple Archive (zlib)	2
AARU/AARUF/AARUFORMAT/AIF	Aaru disk image	4
AAS	Advanced Authoring System adventure	10
AAS/AOS	Archos signed / encrypted data	6
AASTORY	A-machine story	3
AAUI	Acrobat User Interface data	5
AAX	AAX compressed data	6
AAX	Audible Enhanced Audio	4
AB	AlphaBase data base (v2.x)	7
AB	Android adb backup (unencrypted)	14	Markus Birth
AB1/FSA	ABIF - Applied Biosystems Inc. Format	22
AB2I	AmiBlitz2 Image bitmap	2
AB3	PhotoImpact 3 Album	15
AB3I	AmiBlitz3 Image bitmap	3
ABA	Abacus spreadsheet	3
ABA	Palm Address Book	5
ABC	ABC FlowCharter document	6
ABC	ABC notation	2
ABC	ABC notation (old)	6
ABC	Alembic Open Computer Graphics Exchange (HDF5)	9
ABC	Alembic Open Computer Graphics Exchange (Ogawa) (v1.0)	37
ABC	LEADTOOLS ABC bitmap	2
ABCDP	Address Book CoreData Person	6
ABD	ArtBase Design	14
ABD	The Bat! Address Book	17
ABE	ABE encoded data (original)	18
ABEX	Enhanced Android Backup	2
ABF	Altair Binary Format	17
ABK	AMOS AMAL Bank	2
ABK	AMOS Asm Bank	2
ABK	AMOS Data Bank	4
ABK	AMOS Icons Bank	5
ABK	AMOS Memory Bank (generic)	5
ABK	AMOS Menu Bank	2
ABK	AMOS Music Bank	20
ABK	AMOS Picture Bank	4
ABK	AMOS Samples Bank	2
ABK	AMOS Sprites Bank	3
ABK	AMOS Work Bank	2
ABK	Arena opening Book	9
ABK	Need for Speed: Underground audio	83	Alvin Abdagic
ABM	Audition music	2
ABM	Deluxe Paint AnimBrush	15
ABM	PhotoImpressions Album	3
ABP	ABComp compressed data (v2.x)	3
ABR	Adobe PhotoShop Brush	15
ABS	AMOS Banks group	10
ABS	Absolute Database file	11
ABS	CUPL ABS	6
ABS	abs spreadsheet	13
ABS	abs spreadsheet (with rem)	10
ABT	Verity Collection Index About	17
ABW	AbiWord document	30
ABY	AOL Address Book	14
AC	AC3D geometry/model	68
AC	Ancestral Quest family tree database (collaboration)	2
AC1	Agatha Christie: And Then There Were None save game	45
AC1/AC2/ACB/ACRE/AC3/AC3SP/AC3MP/ACL/AC4/AC4SP/AC4MP/ACU/ACRO	Assassin's Creed game data container (generic)	7
AC1D	AC1D-DC1A Packer	7
AC2	Agatha Christie: Murder on the Orient Express save game	44
AC2	Banana accounting data	42
AC3	Agatha Christie: Evil Under the Sun save game	61
AC3	Dolby Digital stream audio	45	Ryan Jones
ACB	Adobe Photoshop Color Book	17
ACB/ACF/B/TXT	Atom Cue sheet Binary	74	Brian Pow
ACB	AutoCAD Color Book	9
ACBM	IFF Amiga Contiguous BitMap	2
ACC	Lotus Accessory	21
ACC/RLT/SAM/SEQ/SPT/VOC	Philips Music Creator data (generic)	75
ACCDB	Microsoft Access 2007 Database	5
ACCDW	Microsoft Access Database Link	4
ACCURIP	CUETools AccuRip log	24
ACD	ACID Pro song	8
ACD	ACID song	90
ACD	Adobe Capture Document	7	Tyler Thorsted
ACD	Alan 2 Code	15
ACD	RSLogix 5000 Program	71
ACD	Sonic Foundry Acid music	8
ACD-ZIP	ACID Pro project	4
ACDB	Audio Calibration DataBase	18
ACE	ACE compressed archive	14
ACE	Jupiter Ace snapshot	9
ACELIVE	Ace Stream Transport	5
ACF	ASCII Color Format	6
ACF	DB/TextWorks Database Access Control	6
ACF	DreamLight PixelPalette colors data	4
ACF	Microsoft Agent Character	4
ACF	X-Plane Aircraft	26
ACI	ACI development appraisal data	8
ACL	Office AutoCorrect List	4
ACM	Interplay Compressed Audio Format	45	Kristopher Neidecker
ACM	Windows Audio Compression Manager driver	54
ACMI	Tacview recording	6
ACMI	Tacview recording (UTF-8 BOM)	12
ACODE	AnkerMake printable package	12
ACP/ACT/STA	Action! presentation (v2.5)	6
ACP/ACT/STA	Action! presentation (v3.0)	15
ACP	ArCon project	4
ACP	EditPlus Auto Completion	6
ACR	Adobe ACR sidecar mask data	42	Giulio Fornasar
ACR	American College of Radiology file	6
ACS	Microsoft Agent Character	14
ACS2	AIMP Skin (v2)	5
ACS3	AIMP Skin (v3)	6
ACS4	AIMP Skin (v4)	8
ACSM	Adobe Digital Editions Adobe Content Server Message	4
ACT	ADPCM (?) compressed file recorded by some MP3 Players/Voice recorders	6	THE LoW
ACT	Astound Actor	322
ACT	Cartooners Actor	12
ACT	EA Seattle game data (UNC2)	155
ACT	EA Seattle game data (UNCS)	47
ACT	Microsoft Project 2.0-3.0 for DOS Activity	3		NEW!
ACT	Microsoft Project 4.0 for DOS Activity	3
ACT	Playmation Action	12
ACTION	Krita Action collection	39
ACTIVEGSXML	ActiveGS PC configuration	4
ACTIVEGSXML	ActiveGS iOS configuration	4
ACX	Adobe Encore project media list	8
AC_	CaseWare 2005 Compressed file	474	Jim Grusendorf
AD	Anno Designer layout	11
AD	Mac AppleDouble encoded	5
AD1/E01/S01	AccessData Encrypted disk image	11
AD1	AccessData Segmented image	2
ADA	ADA MD5	15
ADA	Advanced Digital Audio lossless compressed audio	23
ADB	CorelCENTRAL Address Book	2
ADB/NDB/GDB/PDB	HP Phone/Database/Note database	7
ADC	Adaptive Differential Coding audio	2
ADC	XemiComputers Active Desktop Calendar	8	Ryan Jones
ADCP	Adobe Device Central Project	4
ADD	AdLib music	8
ADD	After Dark for DOS module	33
ADF	ABackup backup disk image	5
ADF/ADFS/ADL	ADFS disk image	18
ADF	ARIS Document File	19
ADF	Actual Drawing project	38	Tyler Thorsted
ADF	Ad Designer project	115
ADF	Advanced Data Format data base	38
ADF	Ami-Back backup disk image	4
ADF	Amiga Disk image File (FFS)	3
ADF	Amiga Disk image File (FFS+DIRC)	3
ADF	Amiga Disk image File (FFS+INTL)	3
ADF	Amiga Disk image File (FFS+INTL+DIRC)	3
ADF	Amiga Disk image File (OFS)	3
ADF	Amiga Disk image File (OFS+DIRC)	3
ADF	Amiga Disk image File (OFS+INTL)	3
ADF	Amiga Disk image File (OFS+INTL+DIRC)	3
ADF	Amiga Disk image File (generic)	13	Wayne Hardman
ADF	Amiga Kickstart disk image	15
ADF	Antenna Data File	75
ADF	EXT1 Extended Amiga Disk image File	2
ADF	EXT2 Extended Amiga Disk image File	3
ADF	PS/2 MicroChannel Adapter Description File	29
ADF	PS/2 MicroChannel Adapter Description File (with CRLF)	17
ADF	PS/2 MicroChannel Adapter Description File (with rem)	19
ADF	Robot Arena hazard configuration	7
ADF	SNAP Archive Data File	3
ADF	SuperDOS Adapter File	2
ADI/ADIF	Amateur Data Interchange Format	13
ADK	AngryDuck encrypted (ransomware)	4
ADL	Micro-Channel Architecture Adapter Description Library	3
ADL	openEHR Archetype Definition Language	6
ADLIB	Martin Fernandez Ad Lib module	7
ADM	Addict compiled dictionary	15
ADM	Windows Policy Administrative Template	13
ADM	Windows Policy Administrative Template (Unicode)	58
ADM	Windows Policy Administrative Template (with rem)	11
ADML	Group Policy Language-Specific Administrative Template	35
ADML	Group Policy Language-Specific Administrative Template (UTF-16 LE)	107
ADMX	Group Policy Administrative Template	41
ADMX	Group Policy Administrative Template (UTF-16 LE)	43
ADMX	Group Policy Administrative Template (UTF-8)	184
ADN	Lotus 1-2-3 Add-In Application	14
ADO	Adobe Duotone Options	26
ADO	Adorage Animation	3
ADP	Archimedes Protected Disk image (unzipped)	5
ADP	Microsoft Access Project	26
ADP	Qt Assistant Documentation Profile	6
ADP	Xilam DERF audio	94
ADR	Opera Hotlist (v2.0) / bookmark	5
ADR	Smart Address address book (v1)	3
ADR	Smart Address address book (v3)	2
ADSKLIB	Autodesk material Library	25
ADT	Addict Thesaurus	3
ADT	Advantage Data Server table	4
ADT	Casio Pocket Viewer Add-in Data file	3
ADU	Addict User Dictionary	2
ADV	Advantage spreadsheet	26
ADV/PCF	Gold Disk Office Calc/Graph spreadsheet	78
ADV	Miles Sound System real mode drivers	19
ADV	WordPerfect dictionary advise	14	Joerg Jenderek
ADX	ADX lossy compressed audio	12
ADX	Aodix project	3
ADX	Lotus Approach Database index	9
ADX	MSX sound performance system Player XPL-A song	73
ADX	TunerPro datastream definition format	8
AD_ASM	Alibre Design Assembly	57
AD_DRW	Alibre Design Drawing	25
AD_PRT	Alibre Design Part	231
AEA	ATRAC1 encoded audio	8
AEA	Apple Encrypted Archive	3
AEDTHEME	Ashampoo Burning Studio Autorun Editor Theme	24	Joerg Jenderek
AEF	CA Visual Objects Application Export File (v1.x)	17
AEF	Cisco Unity Express script	16
AEGRAPHIC	Adobe After Effects Graphics	22
AEH	iPer Advanced Embedded Hypertext	24
AEI	Abyss Engine Image format	2
AEM	STK Azimuth-Elevation Mask format	6
AEP	After Effects Project	42
AEP	ArcExplorer Project	14
AEPX	After Effects Project XML	16
AERO	Aero Studio song	17
AES	AES Crypt encrypted	3
AEX	AGES Game Script (v2.50)	4
AF	MVP Paint Animation Format	3
AF	SerenityOS Application File format	63
AF3	ABC FlowCharter chart	20
AF3	ABC FlowCharter chart (protected)	2
AF4	Artline Font	35
AFA	Astrotite compressed archive	3
AFB	AYFX Editor Bank	4
AFD	AnFX Project	31
AFDESIGN	Affinity Design document	30
AFF	AGEMA File Format	2
AFF	Advanced Forensic Format image	5
AFF4	Advanced Forensic Format 4 disk image	24
AFI	Advanced Floppy Image	4
AFL	Allways Font Library	4
AFL	X-Plane Airfoils	52
AFM	Adobe/Outline Font Metric	1336
AFM	Adobe/Outline Font Metric (Fontographer) (MacBinary)	8	Joerg Jenderek
AFM	Hitachi AFM data	4
AFM	Quesant AFM data	2
AFN	ArtCAM Font	84
AFOX	AmigaFox layout	5
AFP	ABC FlowCharter shapes Palette	25
AFPHOTO	Affinity Photo document	20
AFPK	audfprint peak	4
AFPT	audfprint hash	4
AFR	Caneco BT project	16
AFS/AFS_ARCHIVE	AFS game data archive	2
AFS	AktivFilter project	6
AFT	ABC FlowCharter Template	5
AFW	ABC FlowCharter Workspace	6
AFX	AFX compressed data	4
AFX	AnFX Java Movie	34
AFX	Auto FX PhotoGraphic Edges image	50
AG	Applixware Graphic	9
AG	Lotus Agenda data objects (v2.0)	20
AGA	Lotus Agenda data objects (v1.0)	15
AGG	Dangerous Waters game data archive	2
AGI	Sierra AGI music format	14
AGN	AUTOMGEN project	15
AGN	Psion S3a/3c/Siena Agenda	2
AGR	Grace project file	10
AGS	Atari Graphics Studio bitmap	3
AGTEMPLATE	Adobe Photoshop Lightroom template	6
AGX	Adventure Game eXecutable	6
AHF	ASCII Header Format bitmap	2
AHK	Autohotkey script (v2.x)	3
AHN	Ahnenblatt genealogy data	11
AHX	Abyss' Highest eXperience module (v1)	21
AHX	Abyss' Highest eXperience module (v2)	15
AI	Adobe Illustrator graphics	123
AI	Adobe Illustrator graphics (exported by sK1)	6
AI	Ai Archivator compressed archive	12
AIA	Adobe Illustrator Action	28
AIA	App Inventor for Android project	11
AIC	Advanced Image Coding bitmap	6
AIF/AIFF/AFF	AIFF Audio Interchange File Format	30	James Heinrich
AIF	AlterImage Font	26
AIF	EPOC/Symbian Application Info	26
AIF	OP-1 drum patch	34
AIFC	AIFF-C (Audio Interchange File Format Compressed)	3
AIG	Abracadata drawing	2
AIK	Psion serie 3 AICA Sound Compressor audio	3
AIML	Artificial Intelligence Markup Language	93
AIMPPL	AIMP PlayList	5
AIN	AIN compressed archive	3
AIN	Source Engine Compiled AI Nodegraph	156
AIP	Actual Installer Project	7
AIP	Advanced Installer Project	13	Paul Beesley
AIPD	AIPD bitmap	2
AIR	Adobe Apollo Rich Internet Application (obsolete)	22
AIR	Adobe Integrated Runtime	15
AIR	Advanced Input Recording	2
AIRPORTS	RealFlight Radio Control Flying Site - Airport	2
AIU	Advanced Installer Updates configuration	5
AIX	Adobe Illustrator Exchange	4
AJP	Anfy Applet Generator Saved file	20
AK	TracerCAD File (generic)	2
AKG	Arkos Generic Z80 binary song	5
AKI	Arkos Tracker Instrument	118
AKM	Aksharamala Keymap Binary	87	Srinivas Annam
AKP	Akai AKP format	4
AKPIC	AnkerMaker AI detection info	12
AKS	AkAbak Script	37
AKS	Arkos Tracker Song	9
AKS	Arkos Tracker Song (zipped)	7
AKT	AKT compressed archive (generic)	6
AL3D	Alicona 3D image	3
ALB	Power Up! Album project (v1.x)	4
ALB	SJGPlay Album info	27
ALB	Seattle FilmWorks / PhotoWorks photo album	77	Richard H. Jones
ALB	VCOM Web Easy album	19
ALBM	HP Photosmart Photo Printing Album	36
ALC/VLC	AcuCorp AcuCOBOL license	7
ALE	Avid Log Exchange	10
ALF	Afterlife saved game	6
ALF	Alf test	26
ALF	MSX Font	114
ALF	W32Dasm Asm List File / project	16
ALG	AlgoBox Algorithm	28
ALGOBUILD	AlgoBuild project (v1.00)	3
ALI	GNAT Ada Library Information	99
ALIAS	Find and Run Robot (FARR) alias	19
ALL/CHA/DAT/MAP/MDI/VGA	Amberstar game data	17
ALL	Cubase song	54
ALL	WordPerfect Printer info	4
ALL	WordPerfect printer data	7	Joerg Jenderek
ALM	Aley's Module v1.0	4
ALM	Aley's Module v1.1-1.2	3
ALN	Clustal Alignment format	15
ALP	AnyLogic Project	31
ALS	Calmira Alias	3
ALS	MPEG-4 ALS (Audio Lossless coding Standard)	13
ALS	Psion serie 3 Application Alias	2
ALTSTATE	Altirra save state	3
ALX	BlackBerry Application Loader	28
ALX1	RASAero document	28
ALZ	ALZip compressed archive	8
AM	Ace Tracker module	9
AM	AmiraMesh (ASCII)	9
AM	AmiraMesh (binary)	10
AM	Anark Media data	4
AMAD	AY Amadeus chiptune	7
AMB	Ambios AMB	5
AMB	Ambisonic B-Format audio	9
AMB	Amoeba Data (v1.x)	12
AMB	Ancient Machines Book hypertext archive	5
AMB	Modular V preset	15
AMC	A.M.Composer 1.2 music	10
AMC	Anark Media Component	4
AMD	Amusic tracker (packed) song/module	120
AMD	Animecha Animation Data	3
AMF	Additive Manufacturing Format	16
AMF	Advanced Module Format	4
AMF/AMFF	Amiga Meta File Format	2
AMF	Asylum Music Format module	2
AMF	L3DT Attributes Map File	3
AMG	AMGC compressed archive	7
AMGP	AntiMicro Profile	32
AMK	Automatic Mouse and Keyboard script	9
AML	ACPI Machine Language (v1)	6	Joerg Jenderek
AML	ACPI Machine Language (v2)	2	Joerg Jenderek
AML	Abstract Markup Language	8
AML	Microsoft Assistance Markup Language	19
AML	Microsoft Assistance Markup Language (UTF-8)	22
AML	Morpheus layout - project	2
AMM	Amiga Money accounts (v1)	3
AMM	Amiga Money books (v1)	2
AMM	Amiga Money budgets (v1)	2
AMM	Amiga Money categories (v1)	2
AMM	Amiga Money credit (v1)	2
AMM	Amiga Money data (v0) (generic)	4
AMM	Amiga Money data (v1) (generic)	25
AMM	Amiga Money data (v2) (generic)	2
AMM	Amiga Money groups (v1)	2
AMM	Amiga Money reports (v1)	2
AMOD	AMOD format module	2
AMOS	AMOS Pro source (generic)	7
AMOS	AMOS Pro source (v1.00)	2
AMOS	AMOS Pro source (v1.01)	6
AMOS	AMOS Pro source (v1.11)	3
AMOS	AMOS source (generic)	12
AMOS	AMOS source (v1.00)	7
AMOS	AMOS source (v1.23)	25
AMOS	AMOS source (v1.3)	5
AMOS	AMOS source (v1.34 Alt)	10
AMOS	AMOS source (v1.34)	24
AMPLXEPROJ	Intel VTune Amplifier XE Project	8
AMR	AMR (Adaptive Multi Rate) encoded audio	15
AMS	Extreme's Tracker module	3
AMS	Velvet Studio Advanced Module System module	11
AMT	ABBYY Finereader language data	6
AMT	ArtMoney Table File	444	.Cryorb
AMU	ANMA RED music data	79
AMU	Sony PictureGear Studio PhotoAlbum document	7
AMV	MTV Movie	9
AMW	Anark Media Workspace	8
AMX	AND XSynth module	2
AMX	Pawn compiled program	26
AMXD	Ableton Max Patch	15
AMXX	AMX Mod X plugin	10
AN2	AceNotes PIM data	3
AN2	S2 Engine Animation	32
AN8	Anim8or project	20
AN8	Anim8or project (with rem)	4
ANA	Analysis for Windows structure	4
ANB	Project Dogwaffle Animated Brush	9
ANBM	IFF ANimated BitMap	3
ANBR/ANMB	AnimBrush	78
ANC	Motion Analysis Corp. ANC format	6
ANE	Adobe AIR Native Extension	14
ANI	Animation Magic video/Animation (v1)	32
ANI	Animation Magic video/Animation (v2)	3
ANI	Atari NEOchrome animation	4
ANI	Atomic Bomberman Animation	95
ANI	DK Multimedia Animation (22kHz audio)	239
ANI	Eternity Engine Animation	2
ANI	Imperium Galactica Animation	18
ANI/CRX/LS	Links LS game data archive	3
ANI	MP Entertainment SVGA Animation	80
ANI	MST Quintus Animation	2
ANI	PC Animate Plus Animation	4
ANI	PC-Animation video	33
ANI	Philips Video Graphics Animation	3
ANI	Reunion Animation	98
ANI	Windows Animated Cursor	34
ANIM/SSA	ClariSSA Super Smooth Animation	9
ANIM/ANM	IFF ANIM (Amiga delta/RLE encoded bitmap animation)	36	Wayne Hardman
ANIM	Unity Animation	17
ANIM	Voxlap Animation	5
ANJUTA	Anjuta IDE project	4
ANK	Children of the Nile city	19
ANL	SimLife Animal	67	Kristopher Neidecker
ANL	WinAsks Editor Analysis (v2.00)	2
ANM/ATZ	ASCARON Entertainment Animation	125
ANM	DeluxePaint Animation	20
ANM	League Of Legends bones based Animation	5
ANM	MP Entertainment Animation	91
ANM	Maeldemo Animation	9
ANM	Savage Warriors Animation	4
ANM2	The Binding of Isaac: Rebirth animation	59
ANN	Piklib 5 Animation data	86
ANN	Piklib 8 Animation data	596
ANN	Windows Help Annotation	25	Joerg Jenderek
ANS/ASC	ANSI escape sequence text	44
ANS	ANSYS model data	6
ANT	SimAnt saved game (Amiga)	3
ANTMPL	Adobe Edge Animate Template	8
ANY	AnyRail model railroad layout	38
ANZ	ENVI Annotations	6
AO	DAISY Authorization Object	6
AOB	DVD-Audio Audio Object	4
AOF	Artlantis Object File	33
AOFF	DEC-WSE Object File Format (text)	23
AOFF	DEC-WSE Object File Format (text, start with LF)	48
AOI	Art Of Illusion 3D scene (ungzipped)	22
AOM	Adobe Download Manager	12
AON	Art Of Noise 4-channel module	13
AON	Art Of Noise 8-channel module	8
AOP	AOP data	2
AOS	AOS File Format	7
AP	ALICE: The Personal Pascal Program	27
AP	ArmPack Archive File	11	.Cryorb
AP	ArtPro page layout	14
AP	STK Sensor Pointing format	4
AP11	Siemens TIA project (v11)	76
AP6	Norton pcAnywhere Automated Procedures	2
APA	ArcPad Applet	7
APALBUM	Aperture Album	12
APC	Allways Printer Cartridge data	27
APC	Cryo Interactive APC audio	10
APC	Oracle Audio Percussion	3
APC	a-Pac lossless compressed audio	32
APCDOC	Ashampoo Photo Commander Document	9	Jochen Straub
APD	ACT! Printer driver data (v1.0)	4
APD	Aldus Printer Driver	23
APD	Allways Printer Driver	126
APD/APS	Better On-Line Solutions Printer Driver	34
APDISK	OS X system data	7
APE	APE compressed archive	5
APE	Monkey's Audio	53
APEX	AVM APEX sample studio sound bank	4
APEXBACKUP	Android Apex Launcher Backup	14	Joerg Jenderek
APF	Allways Printer Fonts info	29
APF	Async Professional Fax	22
APF	Vector Unit game assets	8
APFOLDER	Aperture Folder	3
APG	ArcPad Graphics layer	4
API	Adobe Acrobat Reader Plugin	12
APJ	ARM Project Manager Project	6
APJ/PX4/VRX	ArduPilot JSON firmware	126
APK	Android Package	1502	Avinash Rana
APK	Oracle Audio drumkit	2
APKG	Exported Anki Flashcard Deck	4
APKM	APKMirror Bundle	9
APL	ACDSee plugin	36	fenixproductions
APL	ArcPad Layer	6
APL	Authorware Library	2
APL	Extra! for Windows APL keymap	4
APL	HALNOTE Application	5
APL	Monkey's Audio Image Link file	4
APL	PaintSpa Palette	4
APL/APP	Team Developer / SQLWindows application (binary)	20
APM	Aldus Placeable Metafile	2
APM	ArcPad Map	10
APM	AutoPlay Menu Builder data	37	fengdaolong
APMASTER	Aperture Master	3
APN	APN Wallpaper	25
APNG/PNG	Animated Portable Network Graphics	19
APNX	Amazon Kindle Page Number index	3
APP	Atari V4E GFA Basic v3.6 executable	14
APP	Authorware Application	17
APP	Branch Always Program Packer compressed Atari ST program	15
APP	CA Visual Objects Application (v1.x)	26
APP	Cybiko Application	17
APP	EPOC/Symbian OPL Application	25
APP	GEM Application (Intel)	11
APP	Generated application MS Visual FoxPro 7	21	Nicola Marangon
APP	OrbWorks PocketC CE Application	15
APP/DL	Ozone GUI executable code	50
APP	PRO-NTO Application	33
APP	PRO-WAM Application	10
APP/IMG	PSION Application/Image executable	6
APP	Psion Oval Application	13
APP	Symbian Application	5
APP	Timex Datalink WristApp config	10
APP	Z88 App info	7
APP	Z88 Compressed RAM Apps (OZ 5.0)	13
APP	lEEt/OS Application	14
APPIMAGE	AppImage package	80
APPLICATION	ClickOnce Deployment Manifest	5
APPUP	Erlang Application Upgrade	7
APPX	Microsoft Windows AppX package	9
APPXBUNDLE	Windows 8.1 App Bundle	18
APPXMANIFEST	Windows 8 Appx Package Manifest	16
APPXMANIFEST	Windows 8 Appx Package Manifest (UTF-8)	19
APR	Apadana Project	43
APR	ArcView Project	32
APR	Artemis Presents! document (v2.0)	11
APR	Lotus Approach (generic)	21
APR	Lotus Approach v3.0	17
APS	AProSys module	7
APS	ArcPad Stylesheet	5
APS/SUE	Sudden Strike 2 game data archive	15
APS	Visual C++ binary resource	6
APT	Adaptive Prediction Tree (APT) encoded bitmap	9
APT	Android PandaHome theme	10
APT	Team Developer / SQLWindows application (text)	36
APT/APP	Team Developer / SQLWindows application (text) (v2.0)	6
APV	API Viewer Database	3	voodooattack
APVERSION	Aperture Version info	4
APW	Any Password data	2
APWZ	Aspen Plus Compound Document	52
APX	Ability Office PhotoPaint bitmap	2
APX	ArcPad bookmarks	4
APX	ArcPad configuration	8
APX	ArcPad preferences	2
APX	Borland C++ Appexpert database	9
APXL	Apple Keynote Presentation data	25
AQ	Ancestral Quest family tree database	5
AQ1	AptiQuiz quiz data	2
AQC	Touch Detective game data archive	2
AQM	AlpineQuest Map	3
AQX	Aquarius+ machine language program executable	8
AQZ	Ancestral Quest family tree database (zipped)	3
AR	ACCAreader document	9
AR	AIX Small indexed archive (AIX prior to v4.3)	7
AR/CO/XE	Ashlar-Vellum 3D models (generic)	3
AR	Big Mutha Truckers 2 game data Archive	2
AR	FMail Area configuration	4
AR	Midtown Madness 2 car data	8
AR	Midtown Madness 2 game data archive	2
AR	Midtown Madness game data archive	2
AR	PR archiving tool archive	2
AR/A/LBR/LIB	ar archive	10
AR/A/LBR	ar archive (thin)	3
AR4	Annin Robotics AR4 program source	17
AR7	ar7 compressed archive	5
ARB	ARB Fragment shader	10
ARB	ARB Vertex shader	4
ARC	ArcMac compressed archive	4
ARC	BGI/Ethornell game engine data (v1.0)	4
ARC	BGI/Ethornell game engine data (v2.0)	3
ARC	Bandai Namco game data archive	2
ARC	Devil May Cry 4 game data archive	2
ARC	EZBIND archive	3
ARC	FreeArc compressed archive	7
ARC	Internet Archive ARC File Format	22
ARC/ARI	KaGuYa Engine resource data	2
ARC	Majiro Engine resource data (v1)	2
ARC	Majiro Engine resource data (v2)	2
ARC	Majiro Engine resource data (v3)	3
ARC	Mii Maker data archive	4
ARC/SZS/YAZ0	Nintendo Yaz0 compressed data	7
ARC	Oberon compressed archive	10	Romiras
ARC	Silent Hill: Origins game data archive	2
ARC	Xexor disk image	2
ARCH00	F.E.A.R. game archive	19
ARCHITECT	SQL Power Architect Project	19
ARCHIVERS	VirusZ II Archivers info	2
ARD	Alphacam Router Drawing	6
ARD	ArtiosCAD Drawing	5
ARD	Autoread format (v2.0)	4
ARD	Tiny Aibo Room Description	9
ARDOUR	Ardour session	6
ARDUBOY	Arduboy game package	4
ARE	Infinity Engine Area (v9.1)	118	Sam.
ARE	Infinity Engine area description (v1.0)	2
AREN	Advanced Renamer method	9
ARF	Active Tutor data	6
ARF	Axon Raw Format bitmap (big endian)	2
ARF	Axon Raw Format bitmap (little endian)	2
ARF	The Apprentice: Los Angeles game data Archive	2
ARF	Webex Advanced Recording Format	9
ARFF	Attribute-Relation File Format	16
ARGO	ArgoUML project	3
ARH	Squash compressed archive	5
ARI	ARRIRAW image	15
ARIA	Aria Maestosa project	6
ARJ	ARJ compressed archive	60
ARJ	ARJ compressed archive (multi volume 0x14)	21	Joerg Jenderek
ARJ	ARJ compressed archive (standard)	328	Joerg Jenderek
ARJ	ARJZ compressed archive	5
ARK	DS Squeeze archive	4
ARK	DS Squeeze compressed archive	8
ARK	Fold compressed archive	10
ARK	QuArk compressed archive	4
ARL	Aureal Aspen sound bank	15
ARMODEL	Kudan AR Model	13
ARN	CD Autorun Creator package	2
ARN	Sysinternals Autoruns data	12	Peter Glasl
ARN	Sysinternals Autoruns data (v14)	23	Joerg Jenderek
ARP	Audition Play Data	5
ARP	MIDI Arpeggiator Arpeggio	5
ARPBANK	ARP2600V preset	17
ARQ	ARQ archive	4
ARS	Carmageddon Saved Game	5
ARS	Casanova: The Duel of the Black Rose save game	52
ARSC	Android Package Resource	22
ART	AOL ART (Johnson-Grace compressed) bitmap	9
ART	ArtCAM model	69
ART	ArtCAM model (old version)	9
ART	Bernina Artista	30	FILExt
ART	Crayola Art Studio graphic Art	159
ART	Designworks Sample (v3.5)	40
ART	Gerber artwork	6
ART	Greenstreet Art drawing	26	Joerg Jenderek
ART	Greenstreet Art drawing (old)	5
ART	LogoArt drawing	37
ART	The Office Publisher graphics Art (v1.x)	24
ARTASK	Remedy User Tool shortcut	7
ARTBORDER	ArtBorder data	7
ARV	ASetup Installer Archive	3
ARW/SR2	Sony digital camera RAW image	31
ARX	ARX compressed archive	6
ARX	Arriflex CODEX HDE video	195
AS	Applix spreadsheet	10
AS/ADSC	Audio Sculpture module	7
AS	Mac AppleSingle encoded	9
AS/ZC	Zip Chunker fragment	35
AS2PROJ	FlashDevelop ActionScript 2 Project	14
AS3PROJ	FlashDevelop ActionScript 3 Project	16
ASA	ArcGIS ArcScene data	6
ASAR	asar Electron Archive	13
ASB	IXimager forensic image	2
ASC	16bit DOS COM COMT text converted (with text wrapper)	11
ASC	3D Studio ASCII format	19
ASC/TXT	3DX 3D model	4
ASC	ASCII Encoded HP 48 Object	7
ASC	Atlantis Word Processor SpellCheck settings	4
ASC	BRL-CAD Geometry (ASCII)	22
ASC	BRL-CAD Geometry (older) (ASCII)	27
ASC	Cheetah subtitles	5
ASC/TXT	ENVI ASCII Plot	18
ASC	Esri grid (ASCII)	19
ASC	LTSpice Circuit Schematic	12
ASC	PGP ASCII-Armor	10
ASC/TXT	PGP clear text signed message	6
ASC/PGP/TXT	PGP message	9
ASC	PGP private key block	7
ASC/AEXPK/PGP/PUB/TXT	PGP public key block	10
ASC	PGP signature	14
ASC	Rigaku Smartlab Pole Figure raw format	9
ASC/TXT	SPIP ASCII export SPM text	14
ASC	Symantec QandA macro	3
ASC	WITec exported text data	2
ASC	Wyko OPD ASCII data	4
ASC	attocube Systems 2D data (ASCII)	7
ASC	saltpack detached signature (ASCII)	6
ASC	saltpack encrypted message (ASCII)	4
ASC	saltpack signed message (ASCII)	3
ASCX	Microsoft ASP.NET Web User Control	10	Brendan Hayes
ASCX	Microsoft ASP.NET Web User Control (UTF)	17	Brendan Hayes
ASD	ASD Archiever compressed archive	4
ASD	Ableton Warp Analysis	197
ASD	AlgoSim Data	6
ASD	Allways Screen Driver	15
ASD	Astound Presentation document (OLE)	14
ASD	Astound Presentation document (old)	4
ASDATABASE	Microsoft SQL Server Analysis Services project	18
ASDF	Advanced Scientific Data Format	12
ASE	3D Studio Max ASCII Export file	14
ASE/ASEF	Adobe Swatch Exchange File	4
ASE/ASEPRITE	Aseprite Animated sprite	19
ASF	A-Sound AutoSound File (v2.01)	24
ASF	Acclaim Skeleton File	6
ASF	Advanced Streaming Format (generic)	16
ASF	Allways Screen Font	8
ASF	BRender ASF	65
ASF/STR/DAT/SDT/WVE	Electronic Arts ASF video (generic)	36
ASF	FIFA 2004 audio file	337	Alvin Abdagic
ASH	ASH compressed data	17	Label
ASHLANG	Ashampoo products translation	608	Joerg Jenderek
ASHPRJ	Ashampoo Burning Studio project	6	Ryan Jones
ASIC	ASiC container (generic)	15
ASICE/SCE	ASiC Extended container	9
ASICS	ASiC Simple container	4
ASIF	Apple IIgs Sampled Instrument File	2
ASK	WinAsks Player compiled app (v2.00)	9
ASK	askSam data base	5
ASK	askSam for Windows data base (v1)	44
ASK	askSam for Windows data base (v2-3)	46
ASK	askSam for Windows data base (v4-7)	7
ASL	Quest Adventure Script (generic)	9
ASLX	Quest Adventure Script (UTF-8) (v5)	15
ASLX	Quest Adventure Script (v5)	4
ASM	Solid Edge Assembly document	147
ASM	freeCAD assembly	15
ASMDEF	Unity Assembly Definition	22
ASN	Atlantis Word Processor Sound Scheme	6
ASP	ASAP Presentation	8
ASPX	Microsoft ASP.NET Web Form	11	Brendan Hayes
ASPX	Microsoft ASP.NET Web Form (UTF)	13	Brendan Hayes
ASR	Asura engine Resource data (strings) (v2)	6
ASR	Asura engine Resource data (strings) (v5)	3
ASR	Asura engine Resources package (generic)	2
ASR	Asura engine Resources package (zip)	2
ASR	Asura engine Resources package (zlib)	2
ASS/SSA	SubStation Alpha Subtitle	29
ASS	SubStation Alpha Subtitle (Unicode)	31
ASSET	Unity YAML Scene	21
ASSETS	Unity Assets	35
AST	'Need for Speed: Underground' soundtrack	4
AST	AST Audio Stream	5
AST	Actionamics Sound Tool module	6
AST	All Sound Tracker module	20
AST/VIV	BIG4 Electronic Arts game data archive	2
AST	Wii sound data (ADPCM)	2
AST	Wii sound data (PCM)	2
ASVF	Asphyre Sphinx Archive File	71
ASX	Advanced Stream Redirector	13
ASY	LTSpice Symbol	6
ASZ	Balabolka Skin	47
AT3	Arxel game data container	5
ATA	Antenna project	27
ATC	Caddie Catalog	7
ATC	Caddie Category Sets	7
ATC	Caddie Tool Sets	8
ATC	SimCity 4 Animated Texture Collections	2
ATDF	ASCII Test Data Format	3
ATE	Kelly Slater's Pro Surfer textures	2
ATF	ATF Texture	13
ATF	Axon Text File format	12
ATF	Persuasion AutoTemplate Interchange File Format	2
ATH	Alienware AlienFX Theme	8
ATH	Athena document (v1.x)	25
ATH	Athena document (v2.x)	3
ATHTUNE	athtune script	6
ATL	Aladdin 4D ATList	3
ATL	Artlantis 3D scene (gen)	6
ATL	Artlantis 3D scene (v5.0)	4
ATM	TerraGen Light and Atmosphere	20	Chris Malady
ATM	Vue D'Esprit 4 Atmosphere Preset	138	Alex Paven
ATN	Photoshop Action	30
ATOMSVC	Atom Service info	4
ATP	Atari 8-bit Protected disk image	4
ATP3	Automise Project (v3)	22
ATPZ/ATZ2/ATZ3	Automise Project (compressed) (gen)	23
ATR	Atari ATR disk image	22
ATS	Spycraft: The Great Game Animation data	12
ATT	Calamus ASCII Translation Table	14
ATT/GEO/IQT	MapTrip data (generic)	9
ATT	Playmation Attributes	49
ATTACHMENT	1Password Cloud Keychain	3
ATTR	iPhoto image data	87
ATX	ANTEX Antenna Exchange Format	35
ATX	VAPI/ATX Atari 8-bit disk image	5
AU	Audacity audio block	370
AU	NeXT/Sun uLaw/AUdio format	13	James Heinrich
AUD/MSC/RES	DAZ Pack game data archive	8
AUD	INRS-Telecom audio (10KHz)	5
AUD	INRS-Telecom audio (12KHz)	5
AUD	INRS-Telecom audio (16KHz)	5
AUD	INRS-Telecom audio (20KHz)	5
AUD	INRS-Telecom audio (6.5KHz)	5
AUD	INRS-Telecom audio (8KHz)	4
AUD	WeChat Audio message (SILK codec)	3
AUD	Westwood Studios audio	5
AUF	Audacity Block File	2
AUI	ArcSoft UI	2
AUM	Adobe Update Manager data	6
AUM	Adobe Update Manager data (UTF-8)	4
AUP	Audacity Project	13
AUP	EAX Preset	4
AUP3	Audacity 3 Project	12
AUP3	Audacity 3 Project backup	5
AUP3-SHM	Audacity 3 temporary data	4
AUP3-WAL	Audacity 3 temporary data	4
AUR	AutoREALM Map	6
AUS	AutoREALM Symbols	5
AUTOMATICDESTINATIONS-MS	Windows 7 Jump List	23
AUTOPLAY	AutoPlay Media Studio Project	14	Ryan Jones
AVA	AvaaBook e-book	2
AVASTSOUNDS	Avast! Soundpack	5
AVB	Avid Editor Bin	65	Daniel
AVB	Microsoft Chat Character	32
AVC	Kaspersky Anti-virus data base	142	kif aka AC
AVF	AVF video	3
AVF	Amiga Vision Flow	5
AVI	Audio Video Interleave video	129
AVIF	AV1 Image File Format bitmap	420
AVIFS	AV1 Image File Format Sequence bitmap	16
AVJ	AntiVir Job	3
AVL	ArcView Legend	24
AVL	Avira AntiVir Log status report	186	Joerg Jenderek
AVM	Tools Media Corp. Ambient light (binary)	3
AVM	Tools Media Corp. Ambient light (text)	17
AVP	AntiVir Profile	7
AVP	SimCity 4 Animation View Position	2
AVR	Audio Visual Research sample	4
AVR	Avira AntiVir message	6	Joerg Jenderek
AVRO	Avro serialized data	6
AVROLAYOUT	Avro Keyboard Layout	6
AVROLAYOUT	Avro Keyboard Layout (UTF-8)	8
AVROSKIN	Avro Keyboard Skin	6
AVROSKIN	Avro Keyboard Skin (UTF-8)	29
AVS	AVSS Video	2
AVS	Argonaut Video Sequence video	25
AVS	Winamp Advanced Visualization Studio File	112	.Cryorb
AVT	CLO-SET Avatar	6
AVW	Analyze AVW image	2
AVW	Analyze AVW volume	2
AW	Microsoft Answer Wizard	47
AWA	AnimationWorks Accelerated movie	2
AWA	Astound Animation	8
AWB	ADX2 HCA Audio	4
AWB	Adaptive Multi-Rate Wideband ACELP codec	2
AWD	Artweaver Document	3
AWD	Away3D scene (v2.x)	6
AWD	Microsoft At Work Fax document	13
AWEBLIB	AWeb Library/module	24
AWEBPLUGIN	AWeb Plugin	7
AWL	AWL programming language (Var. 1)	10
AWL	AWL programming language (Var. 2)	10
AWL	Animation Works playList	4
AWLIVE	Active WebCam live capture	4
AWM	AllWebMenus project (v2.xx)	6
AWM	AllWebMenus project (v3.xx)	6
AWM	AllWebMenus project (v4.xx)	32
AWM	Astound / Animation Works Movie	28
AWP	WINDEV Active WEBDEV Page	4
AWR	CAMtastic Aperture Wizard template	30
AWS	Ability Office Spreadsheet	15
AWS	AppleWin Saved State (v1)	2
AWS	Ariane WorkSpace	27
AWSES	Active WebCam Settings	6
AWW	Ability Write document	10
AX	DirectShow filter	78
AXE	AutoRoute Export file	13
AXE	PICAXE compiled code	3
AXF	Appearance eXchange Format	38
AXF/BIN/GXB	GP32 eXecutable Binary	17
AXP	Avid / Pinnacle Studio Project	10
AXP	CDBurnerXP Audio compilation	4
AXR	Elcomsoft Password Recovery config	2
AXS	AXS module	19
AXT	ZenWorks snAPPshot ASCII Application Object Template	7
AXX	AxCrypt encrypted	6
AY/EMUL	AY chiptune	732
AYL	Ay Emul play List	5
AYM	Z80 music code with AY music	27
AYS	Ay Emul Skin (v2.0)	34
AYS	CS-80V preset	9
AZA	QazaR compressed file	3
AZF	AirZip FileSECURE format (print quality)	3
AZS	AirZip FileSECURE format (original only)	2
AZW	Amazon Kindle eBook	23
AZW	Amazon Kindle eBook (with DRM)	12
AZW1/TPZ	Kindle Topaz eBook	4
AZW3	Amazon Kindle KF8 eBook	35
AZW3	Amazon Kindle KF8 eBook (with DRM)	31
AZX	ZX Audio	2
AZZ	AZZ Cardfile card	10
audio/x-mod	Fred Editor SoundTrack	4

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