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.
 

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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.

acsm file icon.acsm - Adobe Content Server Message file

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 file

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

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

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

pptx file extension icon file extension pptx - Microsoft PowerPoint Open XML presentation file

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

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

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

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

vcf file extension icon file extension vcf - vCard file

default file extension icon file extension part - Partial download file

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

pages file extension icon file extension pages - iWork Pages document file

crdownload file extension icon file extension crdownload - Google Chrome incomplete download 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 iokit - Dell DPACK results file

default file extension icon file extension iconboxicon - IconBox file

default file extension icon file extension hogg - Cryptic Studios data file

default file extension icon file extension indexArrays - Mac OS X Spotlight file

jad file extension icon file extension jad - Java application descriptor file

default file extension icon file extension gpx - GPS eXchange format

default file extension icon file extension kml - Google Earth Keyhole Markup language file

vmem file extension icon file extension vmem - VMware virtual machine's paging file

evtx file extension icon file extension evtx - Microsoft Windows Vista, Windows 7, Windows 8 event log file

default file extension icon file extension npf - Samsung PC Studio phone book backup file

uif file extension icon file extension uif - MagicISO Universal Image Format

dxf file extension icon file extension dxf - AutoCAD DXF Drawing Exchange Format file

default file extension icon file extension dsn - OrCAD schematic capture file

default file extension icon file extension cool - QB - Text Analyzer vocabulary list file

default file extension icon file extension blasterball2drm3savedgame - Blasterball 2 save game file

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

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