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File Extensions

Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.

5
Indexed file extensions

Find the right information for any file extension

Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.

Search by extension Enter extensions like PDF, APK, DAT, HEIC, ZIP, or DOCX.
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5 extensions
Audio Letter: W Clear all
.WAV

Waveform Audio File Format

The Waveform Audio File Format (WAV, or less commonly WAVE due to MS-DOS 8.3 file name limits) is a widely used audio file format stan…

Audio
.WEM

Wwise Encoded Media File

The WEM (Wwise Encoded Media) file format is a proprietary audio format developed by Audiokinetic for use with their Wwise (Wave Works…

Audio
.WMA

Windows Media Audio

Windows Media Audio (WMA) is a proprietary audio codec developed by Microsoft. It is used for storing and playing audio files, often w…

Audio
.WMA LOSSLESS

Windows Media Audio Lossless

Windows Media Audio Lossless (WMA Lossless) is an audio codec developed by Microsoft. It's designed for lossless audio compression, me…

Audio
.WPL

Windows Media Player Playlist

A WPL file is a playlist format used by Windows Media Player. It's essentially an XML-based file that contains a list of media files (…

Audio

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.