File extensions sample

File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot.
File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file.
 

File-extensions.org library contains thousands of file extensions and the database is still growing.  
A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.
 

Latest articles

Check out the recently published articles related to file extensions, tutorials or software tips.

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I want to convert from      to    

Begin your search by entering the source and target file type specified by their file extensions. For example simply try flac to mp3.

File extension of the day

Random daily pick from File-Extensions.org's database.

c file icon.c - C/C++ main source code

For an overview of common file types,
visit the common file extensions page, which includes a list of the most important computer file formats you should know.

Popular file extensions

List of the most visited file extension records. Click on the link below for more details and software associations.

apk file extension icon file extension apk - Google Android application package

rar file extension icon file extension rar - WinRAR RAR compressed archive

mp4 file extension icon file extension mp4 - MPEG-4 video file format

docx file extension icon file extension docx - Microsoft Word Open XML document

pdf file extension icon file extension pdf - Adobe Portable document format

xlsx file extension icon file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet

default file extension icon file extension epub - Open Publication structure e-book

jpg file extension icon file extension jpg - JPEG bitmap image format

default file extension icon file extension oxps - Microsoft OpenXPS document

default file extension icon file extension part - Partial download

mp3 file extension icon file extension mp3 - Compressed audio and music file, mp3 songs or ringtones

dll file extension icon file extension dll - Dynamic Link Library

dwg file extension icon file extension dwg - AutoCAD drawing

cdr file extension icon file extension cdr - CorelDRAW vector or bitmap graphics

default file extension icon file extension vsdx - Microsoft Visio drawing

Recently updated file extensions

The file extension database is maintained and improved on daily basis. Here you can check last updated entries.

default file extension icon file extension isc - Internet Service Providers configuration

default file extension icon file extension ufi - UFOCaptureV2 data

default file extension icon file extension rgn - Championship Manager game data

default file extension icon file extension osf - Virtual Ticket data

default file extension icon file extension mxi - Proteus data

default file extension icon file extension crv - Daqarta extended audio data

default file extension icon file extension stu - xyALGEBRA data

default file extension icon file extension wgz - S60 Web Runtime Widget package

default file extension icon file extension tcx - TurboCAD text drawing

default file extension icon file extension pdc - PReS Designer print control data

default file extension icon file extension tmd - Tomahawk word processing data

default file extension icon file extension fdb - Firebird database

psd file extension icon file extension psd - Adobe Photoshop graphics

default file extension icon file extension emz - Microsoft Windows compressed enhanced metafile

default file extension icon file extension waptt - WhatsApp Messenger voicemail recording

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

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