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 OS X, and basically telling them, what kind of data and file type they are working with and what associated program opens this 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 reviews.

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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 database.

nbu file icon.nbu - Nokia PC Suite 6.82+ backup

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

default file extension icon file extension oxps - Windows OpenXPS document

vcf file extension icon file extension vcf - vCard file

default file extension icon file extension epub - Open Publication structure eBook

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

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

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

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

numbers file extension icon file extension numbers - Apple Numbers spreadsheet

avi file extension icon file extension avi - Audio Video Interleave movie

pages file extension icon file extension pages - Pages document

one file extension icon file extension one - Microsoft OneNote document

264 file extension icon file extension 264 - H.264/MPEG-4 AVC video file

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

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 lox - Therion 3D model

default file extension icon file extension idi - I-DEAS web access file

default file extension icon file extension rt - Rich Text document

default file extension icon file extension dpl - Delphi packed library file

default file extension icon file extension dpl - Digital Photo Librarian database

default file extension icon file extension ixb - Ulead disk image

default file extension icon file extension rtmap - CompeGPS Land raster map

default file extension icon file extension apdetected - Apple iPhoto file

default file extension icon file extension wpt - GPS waypoint file

default file extension icon file extension sss - WindowBlinds substyle file

stb file extension icon file extension stb - AutoCAD R2000 plot style table

apex file extension icon file extension apex - AVM Sample Studio bank file

default file extension icon file extension insp - Microsoft Visual Studio inspector data

default file extension icon file extension flc - AutoDesk FLIC format

default file extension icon file extension mo - Modula-3 object

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

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