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.

cda file icon.cda - CD Audio track

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.

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

apk file extension icon file extension apk - Google Android application package

default file extension icon file extension oxps - Windows 8 OpenXPS document

default file extension icon file extension crypt8 - WhatsApp Messenger message database file

default file extension icon file extension part - Partial download file

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

vcf file extension icon file extension vcf - vCard file

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

default file extension icon file extension aae - Apple sidecar file

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

default file extension icon file extension spb - Samsung Kies phone contacts library

numbers file extension icon file extension numbers - Apple Numbers spreadsheet file

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

flac file extension icon file extension flac - Audio files encoded by Flac - free lossless audio codec

pages file extension icon file extension pages - Pages document

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 nv2 - Navionics chart file

default file extension icon file extension cert - Netscape certificate index file

default file extension icon file extension twf - ArcView world coordinates file

default file extension icon file extension rsd - Rosetta Stone data file

default file extension icon file extension lxk - COREX lexicon link-up file

default file extension icon file extension epm - Destiny MPE Encoder encrypted portable media file

cdfs file extension icon file extension cdfs - Compact Disc File System

default file extension icon file extension hmt - HighMAT file

default file extension icon file extension nxp - AdaOS profiling information for one execution

default file extension icon file extension h86 - CP/M file

default file extension icon file extension bsw - Business Scorecard Manager workspace file

tga file extension icon file extension tga - Truevision TarGA bitmap image

default file extension icon file extension 4w7 - 4D Write document file

wpd file extension icon file extension wpd - Corel WordPerfect document file

wpg file extension icon file extension wpg - Corel WordPerfect graphic file

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

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