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File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

735
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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735 extensions
.FLATPAK

Flatpak Bundle

Executable
.APPIMAGE

AppImage

Executable
.ERB

Embedded Ruby

Programming
.DWG

Drawing

Data
.SBV

SubViewer Subtitle File

Video
.PUG

Pug Template

Programming
.M3U

UTF-8 M3U Playlist

Audio
.LIB (STATIC LIBRARY)

Static Library

Programming
.INF

Setup Information File

Data
.GRIB

GRIdded Binary

Data
.SCSS

Sass Stylesheet

Programming
.TMP

Temporary File

Data
.TPL

Smarty Template File

Programming
.CRASH

Crash Dump File

Data
.RFA

Revit Family File

Data
.ALAC

Apple Lossless Audio Codec

Audio
.TOML

Tom's Obvious, Minimal Language

Data
.EAR

Enterprise Archive

Archive
.SQLITEDB

SQLite Database

Data
.HEX

Intel HEX File

Data
.A.OUT

Executable and Linkable Format

Executable
.PY

Python Script

Programming
.SO (SHARED OBJECT - LINUX)

Shared Object

Executable
.PLS

PLS Playlist File

Audio
.FLATPAK

Flatpak Bundle

Executable
.APPIMAGE

AppImage

Executable
.ERB

Embedded Ruby

Programming
.DWG

Drawing

Data
.SBV

SubViewer Subtitle File

Video
.PUG

Pug Template

Programming
.M3U

UTF-8 M3U Playlist

Audio
.LIB (STATIC LIBRARY)

Static Library

Programming
.INF

Setup Information File

Data
.GRIB

GRIdded Binary

Data
.SCSS

Sass Stylesheet

Programming
.TMP

Temporary File

Data
.TPL

Smarty Template File

Programming
.CRASH

Crash Dump File

Data
.RFA

Revit Family File

Data
.ALAC

Apple Lossless Audio Codec

Audio
.TOML

Tom's Obvious, Minimal Language

Data
.EAR

Enterprise Archive

Archive
.SQLITEDB

SQLite Database

Data
.HEX

Intel HEX File

Data
.A.OUT

Executable and Linkable Format

Executable
.PY

Python Script

Programming
.SO (SHARED OBJECT - LINUX)

Shared Object

Executable
.PLS

PLS Playlist File

Audio
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Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.