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Website |
EXT |
Filetype description |
| File Extensions | #-A | Unknown file extension |
| File Extensions | #$$ | Unknown file extension |
| File Extensions | #$0 | Unknown file extension |
| File Extensions | #$2 | Unknown file extension |
| File Extensions | #$4 | Unknown or unassigned file extension |
| File Extensions | #$6 | Unknown file extension |
| File Extensions | #$7 | Unknown file extension |
| File Extensions | #$9 | Unknown file extension |
| File Extensions | #$C | Unknown or unassigned file extension |
| File Extensions | #$E | Unknown or unassigned file extension |
| File Extensions | #$J | Unknown or unassigned file extension |
| File Extensions | #$K | Unknown or unassigned file extension |
| File Extensions | #$L | Unknown or unassigned file extension |
| File Extensions | #$M | Unknown file extension |
| File Extensions | #$O | Unknown or unassigned file extension |
| File Extensions | #$Q | Unknown or unassigned file extension |
| File Extensions | #$V | Unknown or unassigned file extension |
| File Extensions | #00 | Unknown file extension |
| File Extensions | #JQ | Unknown file extension |
| File Extensions | #JR | Unknown file extension |
| File Extensions | 603 | Unknown file extension |
| File Extensions | 8BX | Adobe PhotoShop Plugin Extension |
| DotWhat | 8BX | PhotoShop Plugin Extension |
| File Extensions | A20 | Unknown file extension |
| File Extensions | AAW | Unknown file extension |
| File Extensions | AB65 | MAC file type: Document. MAC creator code (PC extension: .p65) |
| FILExt | ADE | Access Project Extension (Microsoft Corporation) |
| FileInfo | ADE | Access Project Extension |
| File Extensions | ADE | Microsoft Access project extension file |
| DotWhat | ADE | Microsoft Access Project Extension |
| Cryer | ADE | Microsoft Access project extension |
| DotWhat | ADEV | AppleTalk Extension |
| File Extensions | AGD1 | MAC file type (PC extension: .fh5) |
| DotWhat | AINI | Connection Extension |
| DotWhat | AIP | Adobe Illustrator Extension Tool or Filter |
| File Extensions | AIP | Extension tool or filter file |
| File Extensions | ALB4 | MAC CREATOR CODE (PC extension: .pm4) |
| File Extensions | ALB5 | MAC file type (PC Extension: .pm5) |
| File Extensions | ALB6 | MAC file type (PC Extension: .pm6) |
| FILExt | ALX | OM2 OMALI Plug-in Extension |
| File Extensions | AMZ | Savegame extension for ' The Game of the Amazons' |
| DotWhat | APPE | Application Extension |
| FILExt | ARX | AutoCAD Runtime Extension (Autodesk Inc.) |
| File Extensions | ARX | AutoCAD runtime extension |
| File Extensions | ASSOC | File extension manager |
| FILExt | ASX | ActiveSite Extension (Jonathon Rossi) |
| File Extensions | ASX | ActiveSite extension |
| FILExt | AVX | ArcView Extension File (ESRI) |
| FileInfo | AVX | ArcView Extension File |
| File Extensions | AVX | ArcView extension plug |
| DotWhat | AVX | File Extension |
| File Extensions | AXP | Arch eXtension Platform |
| File Extensions | BA0 | Unknown file extension |
| File Extensions | BAZ | Unknown or unassigned file extension |
| DotWhat | BBXT | BBEdit Extension |
| File Extensions | BDA | Unknown file extension |
| DotWhat | BLU | FileMaker Pro Runtime Extension |
| FileInfo | BLU | FileMaker Pro Runtime Extension |
| File Extensions | BLU | FileMaker Pro Runtime Extension |
| File Extensions | BNP | Unknown file extension |
| FILExt | BS_ | Bookshelf Find Menu Shell Extension (Microsoft Corporation) |
| DotWhat | BS_ | MS Bookshelf find menu shell extension file |
| File Extensions | BS_ | MS Bookshelf find menu shell extension file |
| File Extensions | BTV | Unknown file extension |
| File Extensions | BWJ | Unknown file extension |
| File Extensions | CAH | Unknown file extension |
| FileInfo | CCX | Click & Create Extension |
| FILExt | CCX | Multimedia Fusion Extension (Clickteam) |
| FILExt | CDE | CADKEY Dynamic Extension (Kubotek USA Inc.) |
| FILExt | CEO | Extension associated with Winevar Worm |
| File Extensions | CET | Unknown file extension |
| File Extensions | CF5 | Unknown file extension |
| DotWhat | COMD | Networking Extension |
| FileInfo | COX | Click & Create Extension |
| DotWhat | COX | Click & Create Extension |
| File Extensions | CPL | Microsoft Windows Control Panel extension |
| FILExt | CPL | Windows Control Panel Extension (Microsoft Corporation) |
| DotWhat | CPL | Windows Control Panel Extension |
| FileInfo | CRX | Chrome Extension |
| File Extensions | CRX | Google Chrome extension installer file |
| TrID | CRX | Google Chrome Extension Header Hexdump: 43 72 32 34 |
| FILExt | CRX | Google Chrome Plugin/Extension File (Google) |
| DotWhat | CRX | Google Chrome Plugin/Extension Installer File |
| DotWhat | CYN | Cynex Root55 Program Extension |
| FILExt | CYN | Cynex Root55 Program Extension |
| File Extensions | CYN | Cynex Root55 Program Extension |
| FILExt | DBNML | NML Language Database Extension (NevoSoft) |
| File Extensions | DCE | drivecam file extension. www.drivecam.com for any info pertaining to it |
| Wikipedia | DCT | DataBaseContainer Extension - Visual FoxPro |
| Wikipedia | DESKLINK | Windows Explorer Desktop Control (commonly "Desktop (create shortcut).DESKLINK", 0 bytes). Uses a 'special' hidden file extension (NeverShowExt flag inside the Registry), overriding the Windows Explorer option of showing/hiding file extensions. |
| FILExt | DGC | DigiGuide Channel Extension (GipsyMedia Limited) |
| File Extensions | DGC | DigiGuide channel extension |
| File Extensions | DMR | Unknown or unassigned file extension |
| Wikipedia | DOC | A Document, or an ASCII text file with text formatting codes in with the text. This generic extension is used by many word processors. - Microsoft Word and others |
| File Extensions | DOM | Unknown or unassigned file extension |
| FILExt | DRUG | Masked Extension |
| FILExt | DXL | DOORS Extension Language |
| DotWhat | ECPG | Text Extension |
| FILExt | EDML | Dreamweaver MX Extension File |
| File Extensions | EDU | Unknown file extension |
| File Extensions | EM8 | Unknown or unassigned file extension |
| TrID | ESP | ESP - Extension Sort Packer compressed archive Header Hexdump: 45 53 50 3E |
| FILExt | ESP | Extension-Sort Packer Compressed Archive (GyikSoft & MikroLab) |
| File Extensions | ESP | Extension-Sort Packer compressed archive |
| File Extensions | EWC | Unknown or unassigned file extension |
| Wikipedia | EX_ | Compressed executable file - Note: EX could be any first two characters in a file extension (e.g. BM_ for compressed bitmap (BMP), DL_ for compressed library, etc.) Files compressed using this method have been in use on Microsoft software CDs and floppies since around 1995. |
| DotWhat | EXT | Norton Commander Extension File |
| FILExt | EXT | Norton Commander Extension File |
| File Extensions | EXT | Norton Commander extension file |
| FileInfo | EXT | Norton Commander Extension |
| FILExt | EXTBASE | Associate This Extension Base (Spearit) |
| DotWhat | FEXT | Finder Extension |
| FILExt | FFF | Pegasus Mail Extension (David Harris) |
| FILExt | FILE | File With No Extension |
| DotWhat | FMXT | FileMaker Extension |
| File Extensions | GBH | Unknown file extension |
| File Extensions | GDO | Unknown file extension |
| File Extensions | GE6 | Unknown file extension |
| FILExt | GFX | The Games Factory Extension (Clickteam) |
| FILExt | GGI | GGI Extension |
| FILExt | GOX | The Games Factory Extension (Clickteam) |
| File Extensions | GUS | Unknown or unassigned file extension |
| File Extensions | HE0 | Unknown file extension |
| FileInfo | HTX | HTML Extension File |
| DotWhat | HXM | HAM extension |
| Cryer | HXT | Hash extension plugin (Animation Master) |
| FILExt | IGNORE | Likely a Text File Some programs write out a temporary file with an extension like .IGNORE. |
| File Extensions | IIS | Unknown or unassigned file extension |
| DotWhat | IL | .NET Assembler default file extension |
| DotWhat | INIT | Extension |
| File Extensions | IPI | Unknown file extension |
| File Extensions | ISA | Unknown or unassigned file extension |
| FILExt | ITCL | tcl 00 Extension |
| File Extensions | ITN | Unknown file extension |
| File Extensions | IXV | Unknown file extension |
| File Extensions | JFK | Unknown file extension |
| File Extensions | JSA | Unknown file extension |
| File Extensions | KBZ | Unknown file extension |
| File Extensions | KDD | Unknown or unassigned file extension |
| DotWhat | KEXT | Kernel Extension |
| File Extensions | KEXT | Kernel extension |
| FILExt | KEXT | Mac OS X Kernel Extension (Apple Inc.) |
| FileInfo | KEXT | Mac OS X Kernel Extension |
| File Extensions | KS3 | Unknown file extension |
| FILExt | LEX | HP-Basic Language Extension |
| File Extensions | LEX | HP-Basic language extension |
| FILExt | LLX | List and Label Extension Object (combit GmbH) |
| FILExt | LNG | Lahey FORTRAN Language Extension |
| DotWhat | LVL | Miner Descent/D2 Level extension |
| File Extensions | LVL | Parallax Descent level extension |
| FILExt | LVL | Parallax Miner Descent/D2 Level Extension Level Extension |
| File Extensions | LWX | Unknown or unassigned file extension |
| File Extensions | LYT | SignMaking application extension file |
| FILExt | LYT | SignMaking Application Extension |
| File Extensions | M3X | Unknown file extension |
| FILExt | MAFF | Firefox Mozilla Archive Format Extension Saved Web Page Archive (Mozilla) |
| DotWhat | MDEV | Network Extension |
| File Extensions | MF1 | Unknown file extension |
| DotWhat | MFX | Multimedia Fusion Extension |
| FileInfo | MFX | Multimedia Fusion Extension |
| FileInfo | MIME | Multi-Purpose Internet Mail Extension |
| File Extensions | MKEXT | Mac OS X Mach kernel extension memory cache |
| FILExt | MKEXT | OS X Mach Kernel Extension File (Apple Inc.) |
| File Extensions | MNG | DeLorme map file extension |
| FileInfo | MTX | MadTracker 2 Extension |
| FILExt | MTX | MadTracker Extension File |
| File Extensions | MTX | MadTracker extension file |
| FILExt | MTXDEF | Gestionnaire d'extensions Multiple Extension Definition (Définition d'extension multiple) (Francis Gagné) |
| File Extensions | MUK | Unknown file extension |
| File Extensions | MVK | Unknown file extension |
| FileInfo | MVX | Multimedia Fusion Movement Extension |
| File Extensions | MXI | Adobe Dreamweaver Extension Manager file |
| DotWhat | MXI | Macromedia Extension Information |
| FILExt | MXI | Macromedia Extension Information |
| File Extensions | MXP | Adobe (Macromedia) extension package file |
| Wikipedia | MXP | Adobe Extension File - Adobe Dreamweaver and Adobe Flash |
| DotWhat | MXP | Macromedia Extension Information |
| FILExt | MXP | Macromedia Extension Manager |
| TrID | MXP | Macromedia Extension Package |
| FileInfo | MXP | Macromedia Extension |
| FILExt | NAV | Application Extension (Microsoft Corporation) |
| DotWhat | NAV | MSN Application Extension |
| FileInfo | NAV | MSN Application Extension |
| FILExt | NAV | MSN Application Extension |
| File Extensions | NAV | MSN Application Extension |
| FILExt | NBE | nBill Extension (Netshine Software Limited) |
| File Extensions | NBZ | Unknown file extension |
| DotWhat | NED | MSN Application Extension |
| FILExt | NED | MSN Application Extension |
| File Extensions | NED | MSN Application Extension |
| File Extensions | NETSH | Netsh file extension |
| File Extensions | NNG | Unknown file extension |
| File Extensions | OAD | Unknown file extension |
| FileInfo | OCE | Open Catalog Extension Connection File |
| FILExt | OCX | Object Linking and Embedding (OLE) Control Extension (Microsoft Corporation) |
| File Extensions | OPG | Unknown file extension |
| FILExt | OPX | OPL Extension DLL |
| File Extensions | OPX | OPL extension DLL |
| File Extensions | ORB | Unknown or unassigned file extension |
| Wikipedia | OXT | OpenOffice.org extension - OpenOffice.org |
| FILExt | OXT | OpenOffice.org Extension (OpenOffice.org Community) |
| File Extensions | OXT | OpenOffice.org extension help format file |
| FileInfo | OXT | OpenOffice.org Extension |
| File Extensions | PD0 | Unassigned file extension |
| FILExt | PI | Extension Associated with W32.Sobig.D@mm Worm |
| File Extensions | PIB | Unknown or unassigned file extension |
| File Extensions | PIC | General picture extension |
| File Extensions | PIS | Unknown file extension |
| FILExt | PKG | Developer Studio Application Extension (Microsoft Corporation) |
| DotWhat | PKG | Developer Studio application extension |
| File Extensions | PKG | Microsoft Developer Studio application extension |
| File Extensions | PL7 | Unknown or unassigned file extension |
| DotWhat | POG | PIG file extension |
| File Extensions | PPE | Unknown file extension |
| DotWhat | PRES | Chooser Extension |
| FILExt | Q3X | QuickTime QuickDraw 3D Extension (Apple Inc.) |
| Wikipedia | QCP | Mp3 extension on Motorola ringtones - Motorola Phones |
| DotWhat | QKEX | QuicKeys Extension |
| FileInfo | QPX | QuickTime Player Extension |
| File Extensions | QTR | Apple QuickTime extension resource file |
| DotWhat | QTR | QuickTime Extension Resource |
| FileInfo | QTR | QuickTime Extension Resource |
| File Extensions | QTX | Apple QuickTime related image extension |
| FileInfo | QTX | QuickTime Extension |
| File Extensions | RFW | Unknown or unassigned file extension |
| File Extensions | RGA | Unknown file extension |
| File Extensions | RIM | Unknown or unassigned file extension |
| File Extensions | RRC | Unknown file extension |
| File Extensions | RSV | Unknown file extension |
| DotWhat | SCRI | Extension |
| Wikipedia | SET | Extension used by Norton Backup and CPS Backup for setup info - Norton Backup - CPS Backup |
| DotWhat | SFE | Split Files Shell Extension |
| FILExt | SFE | Split Files Shell Extension |
| File Extensions | SFE | Split Files Shell Extension |
| DotWhat | SJF | Split Files Shell Extension |
| FILExt | SJF | Split Files Shell Extension |
| File Extensions | SJF | Split Files Shell extension |
| File Extensions | SKW | SKWRITE SideKick Write or Calendar (same extension for both) |
| File Extensions | SL | PACT' s save layout extension |
| DotWhat | SL | Save Layout extension |
| File Extensions | SMT | extension used by some CAD programms used for SMT-circuit layout |
| File Extensions | SNS | Unknown file extension |
| File Extensions | SPL | Split File Shell Extension file |
| FILExt | SPL | Split Files Shell Extension |
| FILExt | SPX | Screen Peace Extension |
| FILExt | SST | Certificate Store Crypto Shell Extension (Microsoft Corporation) |
| DotWhat | SST | Certificate Store Crypto Shell Extension |
| File Extensions | SST | Microsoft Crypto Shell Extension certificate store file |
| File Extensions | SVA | Unknown file extension |
| DotWhat | T3X | TYPO3 Compressed Extension |
| FileInfo | T3X | TYPO3 Compressed Extension |
| File Extensions | T3X | TYPO3 compressed extension |
| FILExt | T3X | TYPO3 Extension (The TYPO3 Association) |
| Wikipedia | THM | Thumbnail or Theme File - Picture Publisher, PhotoMagic, Canon Digital Cameras, and Sony Digital Cameras will create these Thumbnail files. Also using the same file extension is Sony Ericsson Theme File, for a cell phone. |
| FILExt | TIX | ASA for UNIX Terminfo Extension |
| DotWhat | TOP | IBM netfinity Rack Configurator extension |
| File Extensions | TOP | IBM Netfinity server Rack Configurator extension |
| File Extensions | UNK | Unknown or unassigned file extension |
| File Extensions | UNKNOWN | unknown file extension |
| File Extensions | USX | Unreal Static Meshes file extension |
| File Extensions | V12 | Unknown file extension |
| File Extensions | VBX | Microsoft Visual Basic Extension file |
| Wikipedia | VBX | Visual Basic eXtension - Visual Basic |
| FILExt | VBX | Visual Basic Extension (Microsoft Corporation) |
| Cryer | VBX | Visual Basic extension |
| File Extensions | VEP | Unknown or unassigned file extension |
| DotWhat | VRE | VREAMScript extension |
| FILExt | VRE | VREAMScript Extension |
| File Extensions | VRE | VREAMScript extension |
| File Extensions | VTY | Unknown file extension |
| TrID | WCX | Total Commander Packer extension (plugin) Header Hexdump: 4D 5A |
| TrID | WFX | Total Commander File system extension (plugin) Header Hexdump: 4D 5A |
| TrID | WLX | Total Commander Lister extension (plugin) Header Hexdump: 4D 5A |
| File Extensions | WPZ | SkinZip : WinAmp extension installation file |
| File Extensions | WWG | Unknown file extension |
| FILExt | X16 | Macromedia Program Extension |
| DotWhat | X32 | Macromedia Program Extension (32-bit) |
| FILExt | X32 | Macromedia Program Extension (Macromedia) |
| File Extensions | X86 | Unknown file extension |
| File Extensions | XAA | Unknown or unassigned file extension |
| Wikipedia | XAR | Xara file - Project document used by vector graphics editor Xara Xtreme, previously known as Xara Studio. Early versions used the extension 'ART'. |
| FILExt | XCU | OpenOffice.org Extension Control File (OpenOffice.org Community) |
| File Extensions | XGA | Unknown file extension |
| File Extensions | XHP | OpenOffice.org extension help format |
| File Extensions | XM3 | Unknown file extension |
| Cryer | XML | Generic XML file extension |
| FILExt | XNML | NML Language Language Extension (NevoSoft) |
| File Extensions | XPI | Firefox browser extension |
| DotWhat | XPI | FireFox Web-browser Extension |
| TrID | XPI | Mozilla Firefox browser extension Header Hexdump: 50 4B 03 04 |
| FILExt | XPI | Mozilla/Firefox Browser Extension Archive (Mozilla) |
| FILExt | XTS | Babya Desktop Shell System Software Extension |
| DotWhat | XXT | Extension DLL (seldom) |
| File Extensions | XXT | Extension DLL (seldom) |
| FILExt | XXT | Extension DLL |
| File Extensions | ZW1 | Unknown file extension |