File Extension Database
The extended reference book with specific data regarding more than 1 000 distinct file extensions.
| .ASC |
ASCII Text File |
| .TXT |
Plain Text File |
| .PRT |
Printer Output File |
| .1ST |
Readme File |
| .DOC |
Microsoft Word Document (before The 2007 Version) |
| .OFT |
Outlook File Template |
| .RTF |
Rich Text Format File |
| .MP3 |
MP3 Audio File |
| .FLP |
FL Studio Project File |
| .ABC |
ABC Music Notation |
| .MOD |
Amiga Music Module File |
| .M4A |
MPEG-4 Audio File |
| .BANK |
FMOD Audio Bank |
| .S3M |
V3 Sound File |
| .SEC |
Samsung Security Video File |
| .CME |
Command Multimedia Evidence File |
| .SMI |
SAMI Subtitles File |
| .MKV |
Matroska Video File |
| .SWF |
Shockwave Flash Movie |
| .WEBM |
WebM Video File |
| .MP4 |
MPEG-4 Video File |
| .CBR |
Comic Book RAR Archive |
| .CBZ |
Comic Book Zip Archive File |
| .ZIP |
Zipped File |
| .SPD |
S Note File |
| .SDC |
Secure Download Cabinet |
| .ACE |
WinAce Compressed File |
| .RAR |
WinRAR Compressed Archive |
| .XLSM |
Microsoft Excel Open XML Macro-Enabled Spreadsheet |
| .XLS |
Microsoft Excel 97 To 2003 Spreadsheet |
| .OTS |
OpenDocument Spreadsheet Template |
| .XL |
Excel Spreadsheet |
| .DEF |
SmartWare II Data File |
| .ODS |
OpenDocument Spreadsheet |
| .PMDX |
PlanMaker Spreadsheet |
| .FB2 |
FictionBook 2.0 File |
| .AZW |
Amazon Kindle eBook File |
| .FB3 |
Primary FB3 File Association |
| .CBC |
Sony Portable Reader Comic E-book File |
| .MOBI |
Mobipocket eBook Format |
| .EPUB |
Open eBook File |
| .AZW4 |
Amazon Print Replica eBook
|
| .COM |
DOS Command File |
| .PRG |
Program File |
| .AHK |
AutoHotkey Script |
| .APK |
Android Package File |
| .BAT |
DOS Batch File |
| .CGI |
Common Gateway Interface Script |
| .APP |
macOS Application Bundle |
| .DJVU |
DjVu Image |
| .BIF |
Ventana Whole Slide Image |
| .JXL |
JPEG XL Image |
| .DDS |
DirectDraw Surface |
| .ICON |
Icon Image File |
| .MNG |
Multiple Network Graphic |
| .ART |
AOL Compressed Image File |
| .RAW |
Raw Image Data File |
| .CR3 |
Canon Raw 3 Image File |
| .RWL |
Leica D-Lux 4 RAW Image |
| .DCR |
Kodak Digital Camera RAW Image |
| .NRW |
Nikon Raw Image File |
| .NEF |
Nikon Electronic Format Camera RAW Image |
| .CR2 |
Canon Digital Camera Raw Image File |
| .VSDX |
Vector Image Files |
| .CDR |
CorelDRAW Vector Image File |
| .SVG |
Scalable Vector Graphics File |
| .EMF |
Enhanced Windows Metafile |
| .INK |
InkML Image |
| .VSD |
Microsoft Visio Drawing File |
| .AI |
Adobe Illustrator File |
| .3DM |
Rhino 3D Model |
| .PRC |
Product Representation Compact File |
| .MESH |
3D Mesh Model |
| .MDX |
Warcraft 3 Model File |
| .BBMODEL |
Blockbench 3D Model |
| .OBJ |
Wavefront 3D Object File |
| .DSO |
Microsoft Visual Studio Workspace Data |
| .PMD |
PageMaker Document |
| .PDF |
Portable Document Format File |
| .DRMZ |
Drumlin Fully Secure Mobile PDF File |
| .CST |
Manga Studio Story File |
| .FM |
FrameMaker Document |
| .ENC |
CopySafe Protected PDF File |
| .XPS |
Microsoft XPS (XML Paper Specification) File |
| .MSIX |
MSIX Installer Package |
| .CXX |
C++ Main Source Code File Format |
| .ASM |
Assembly Language Source Code File |
| .KT |
Kotlin Source Code File |
| .DBA |
CryENGINE Animation Database File |
| .CS |
C# Source Code File |
| .LGO |
Logo Instructions File |
| .IB |
InterBase Database |
| .IBD |
MySQL InnoDB Database Table |
| .DDL |
Data Definition Language File |
| .GDB |
GPS Database File |
| .MAR |
Microsoft Access Report |
| .ACCDC |
Microsoft Access Signed Package |
| .MDB |
Microsoft Access Database |
| .CHD |
MAME Hard Disk Image |
| .CIA |
CTR Importable Archive |
| .DSV |
DeSmuME Saved Game File |
| .UMX |
Unreal Music Package |
| .BSP |
Quake Engine Game Map File |
| .OSR |
Osu! Game Replay |
| .VPK |
Valve Pak |
| .KEY |
Privacy-Enhanced Mail Private Key |
| .HTML |
Hypertext Markup Language File |
| .HTM |
Hypertext Markup Language File |
| .CFM |
ColdFusion Markup File |
| .JS |
Jаvascript File |
| .ASP |
Active Server Page |
| .JSP |
Java Server Page |
| .PLN |
Archicad Solo Project |
| .OPT |
Opterecenja File |
| .TERX |
RoadEng Terrain Design Document |
| .AXM |
FormIt Sketch |
| .DLV |
CATIA 4 Export File |
| .BDC |
West Point Bridge Designer Design File |
| .DSNX |
RoadEng Location Design Document |
| .SBN |
ESRI Spatial Binary File |
| .GMAP |
Garmin Map File |
| .GPX |
GPS Exchange File |
| .SP3 |
NGS SP3 File |
| .KMZ |
Google Earth Placemark File |
| .NM2 |
Navitel Map |
| .EMBR |
Spatial Geodatabase File |
| .ASI |
ASsembler Include |
| .XLA |
Excel Add-In File |
| .APLG |
Audials Plug-in |
| .AMX |
AMX Mod Plugin File |
| .APLP |
Audials Plug-in Package |
| .AMXX |
AMX Mod X Plugin File |
| .XPI |
Mozilla Installer Package
|
| .FNT |
Windows Font File |
| .OTF |
OpenType Font |
| .VLW |
Processing Font File |
| .TTF |
TrueType Font |
| .BDF |
Glyph Bitmap Distribution Format |
| .JFPROJ |
JSON Font Project File |
| .ETX |
TeX Font Encoding File |
| .0 file |
Shared Library Link File |
| .SCR |
Windows Screensaver File |
| .REG |
Registry File |
| .AML |
ACPI Machine Language File |
| .ICO |
Icon File |
| .SHSH |
iPhone/iPod Touch SHSH Blob File |
| .VGA |
VGA Display Driver |
| .PKG |
Symbian Package File |
| .DSD |
AutoCAD Drawing Set Description File |
| .XMS |
Music Studio Project |
| .VIMRC |
Vim Runtime Configuration File |
| .GXT |
Grand Theft Auto Text File |
| .VIM |
Vim Settings File |
| .CPG |
ESRI Code Page File |
| .CEF |
CenturionMail Encrypted Package |
| .ECD |
CoCut Plotter Printer Driver |
| .PACK |
Pack200 Packed Jar File |
| .HQX |
BinHex 4.0 Encoded File |
| .BHX |
BinHex Encoded File |
| .KDE |
KryptoStorage Container File |
| .HOOP |
HOOP Ransomware Encrypted File |
| .MDS |
Media Descriptor Sidecar File |
| .CCD |
CloneCD Control File |
| .IMG |
Disk Image Data File |
| .MDF |
Alcohol 120% Disk Image File Format |
| .ISO |
Disc Image File |
| .PMF |
Partition Image File |
| .DMG |
Mac OS X Disk Image File |
| .SPG |
TCP Optimizer Backup File |
| .ARC |
Norton Backup Archive |
| .ABK |
Automatic Backup File |
| .TIG |
TI Connect Backup File |
| .BUP |
Backup File |
| .AB |
Android ADB Backup File |
| .VBOX-PREV |
Oracle VM VirtualBox Settings Backup File |
| .STR |
dBASE Structure List Object File |
| .BIN |
Generic Binary File |
| .XML |
XML File |
| .DAT |
Data File |
| .PDB |
Program Database |
| .XSL |
XML eXtensible Stylesheet |
| .PST |
Outlook Personal Information Store File |
| .ADI |
Dynamics AX Developer Documentation Index File |
| .ADD |
Dynamics AX Developer Documentation File |
| .!BT |
BitTorrent Incomplete Download File |
| .CRDOWNLOAD |
Chrome Partially Downloaded File |
| .MSI |
Windows Installer Package |
| .CBDS |
Comic Book DS File |
| .AAWDEF |
Ad-Aware Definitions File |
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