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.

whl file icon.whl - Python wheel package

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

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

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

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

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

pages file extension icon file extension pages - Pages document

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

default file extension icon file extension oxps - Microsoft OpenXPS document

crdownload file extension icon file extension crdownload - Google Chrome incomplete download

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

default file extension icon file extension part - Partial download

dwg file extension icon file extension dwg - AutoCAD drawing

one file extension icon file extension one - Microsoft OneNote document

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

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 ftn - Fortran language source code

fss file extension icon file extension fss - Micrografx Picture Publisher 8 register data

default file extension icon file extension efax - Everex eFax fax document

default file extension icon file extension atm - TerraGen atmosphere data

default file extension icon file extension sov - 3DCS Advanced Analyzer/Optimizer SOVA model

default file extension icon file extension catpreferences - CATIA preferences

default file extension icon file extension rdk - Blackberry RDK data

default file extension icon file extension pfg - jEEPersDX configuration data

default file extension icon file extension acd-zip - Sony ACID compressed project

default file extension icon file extension nxn - Avid Interplay permanent license

c10 file extension icon file extension c10 - Split Multi-volume ACE compressed file archive

default file extension icon file extension aos - Nokia 9000 Communicator add-on software

default file extension icon file extension brg - Age of Mythology 3D game model

default file extension icon file extension set - Mastercam setup sheet template

wfx file extension icon file extension wfx - Adobe user keyboard shortcut settings

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

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