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.

snb file icon.snb - S Note note (old version)

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 anm - Infinity equation script

smd file extension icon file extension smd - Scheme data

default file extension icon file extension fpt - AbacusLaw data

default file extension icon file extension 500 - NCBridge NC200/NC400 series network boot software data

default file extension icon file extension xrl - PowerDesigner report

default file extension icon file extension ags - AppGini saved style sheet

default file extension icon file extension p26 - PAR recovery volume

default file extension icon file extension w20 - Windows 2000 system data

default file extension icon file extension xl - Old Amiga movie format

default file extension icon file extension uni - Forecast Pro data

default file extension icon file extension p2i - IBM Voice Type languages new user data

default file extension icon file extension mps_ - MPW Shell data

default file extension icon file extension fas - QuickSilver fast save Lisp data

default file extension icon file extension asd - Astound presentation

default file extension icon file extension deploymentoptions - SQL Server deployment options

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

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