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.

rpmsg file icon.rpmsg - Microsoft Restricted Permission Message

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

exe file extension icon file extension exe - Program executable

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

jpg file extension icon file extension jpg - JPEG bitmap image

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

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

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

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

default file extension icon file extension part - Partial download

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

dwg file extension icon file extension dwg - AutoCAD drawing

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

png file extension icon file extension png - Portable Network Graphic file

default file extension icon file extension aae - Apple Photos sidecar file

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 edoc - Electronically certified document

default file extension icon file extension gtp - Gerber data

default file extension icon file extension scad - OpenSCAD CAD model

default file extension icon file extension rwt - ReadWriteThink timeline

default file extension icon file extension urdu - Urdu language file

default file extension icon file extension nsfw - NSFW content

default file extension icon file extension jdl - JHipster Domain Language source

default file extension icon file extension nfw - Dynamic Modbus Slave Simulator file

default file extension icon file extension nmb - Fidelity Pointwise database export

default file extension icon file extension sdlic - ArcGIS geodatabase license

default file extension icon file extension aprx - ArcGIS Pro project

default file extension icon file extension clustal - CLUSTAL multiple sequence alignment format

default file extension icon file extension selex - SELEX multiple sequence alignment format

default file extension icon file extension stockholm - Stockholm bio informatics format

default file extension icon file extension nexus - NEXUS bio informatics format

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

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