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.

pes file icon.pes - Brother Embroidery file format

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

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

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

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

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 flm - Filmline document

default file extension icon file extension ems - Yoshimura EMS motorcycle fuel injection data

default file extension icon file extension cdf - MicroSim PCBoard component description

default file extension icon file extension ptn - Amaya dicopar data

default file extension icon file extension btf - Brother scanner data

default file extension icon file extension raes - TrueZIP encrypted ZIP archive

default file extension icon file extension mpr - Multilizer project

default file extension icon file extension mono - Monolith munged encoded data

default file extension icon file extension ma3 - Diablo II Act 4 saved map progress

default file extension icon file extension act - Animation:Master animation

default file extension icon file extension bdf - Backup definition data

default file extension icon file extension rl1 - RL-1 Data Base database

lds file extension icon file extension lds - LOUDNESS sound system audio data

default file extension icon file extension bld - ACT! data

default file extension icon file extension s2s - SRT2SUP native subtitle format

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

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