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.
- How to open pkpass file - Additional information about pkpass files and how to open and convert them
- How to convert WhatsApp CRYPT files - Decrypting WhatsApp message databases
- Search file extensions from Windows context menu - Directly search File-Extensions.org's database by single click from Windows context menu upon an unknown file
- Show and hide file extensions in Windows 10
- More information about CRDOWNLOAD files - CRDOWNLOAD file analysis.
- Open HEIC pictures in Windows - Adding HEIF support to your computer with Copytrans HEIF for Windows
- Burn ISO to USB drive - Use Rufus utility to create exact copy of ISO image to USB drive
- Best cloud storage and services - File server cloud solution for backup pc files
- How to edit GPX files - Correcting GPS points in GPX files
- How to import photos and videos from PC to Instagram - Uploading your photos to Instagram with Gramblr
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.
.numbers - Apple Numbers spreadsheet
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.
file extension apk - Google Android application package
file extension pdf - Adobe Portable document format
file extension rar - WinRAR RAR compressed archive
file extension mp4 - MPEG-4 video file format
file extension docx - Microsoft Word Open XML document
file extension jpg - JPEG bitmap image
file extension xlsx - Microsoft Excel Open XML workbook and spreadsheet
file extension epub - Open Publication structure e-book
file extension mp3 - Compressed audio and music file, mp3 songs or ringtones
file extension part - Partial download
file extension oxps - Microsoft OpenXPS document
file extension dwg - AutoCAD drawing
file extension xapk - Google Android XAPK application package
file extension dll - Dynamic Link Library
file extension crdownload - Google Chrome incomplete download
Recently updated file extensions
The file extension database is maintained and improved on daily basis. Here you can check last updated entries.
file extension dlm - Synology Download Station search module
file extension ize - IZArc encrypted archive
file extension ndm - Navicat Data Modeler database model
file extension wolf - WOLF document
file extension litemod - Minecraft mod archive file
file extension prf - Preferences or profile file
file extension hprof - Eclipse Java heap dump
file extension vst3 - Cubase plugin
file extension bblx - e-Sword bible data file
file extension sta - Statistica data spreadsheet
file extension sql - Structured Query Language Data SQL data
file extension nwf - NavisWorks project
file extension pmd - PlanMaker spreadsheet
file extension ssn - Samsung Kies notes backup
file extension wrpl - War Thunder replay
Follow us!