Category Overview

Audio File Extensions

Audio file extensions are used for music, voice recordings, sound effects, podcasts, and production projects. Explore the formats below to identify an audio file and find compatible playback, editing, or conversion software.

6
Audio Extensions
Category Guide

How to work with audio file extensions

Audio formats vary by codec, compression method, quality, metadata, and application support. Use the exact extension page to identify suitable software, and preserve an original copy before converting or re-encoding an important recording.

Filter Extensions

Filter this category by the first letter of the extension.

6 Audio Extensions Available
.SESX

Adobe Audition Multitrack Session File

The SESX file extension is the proprietary project format used by Adobe Audition, a professional digital audio workstation (DAW). Intro...

Audio
.SF2

SoundFont 2

SoundFont 2 (SF2) is a widely recognized file format for storing musical instrument samples and synthesis parameters. Developed by E-mu...

Audio
.SF3

SoundFont 3 Audio Bank

SoundFont 3 (SF3) is an open-source file format used for storing digital audio samples and MIDI instrument data. Developed primarily by...

Audio
.SFZ

SFZ Sample Definition File

The SFZ file format is a royalty-free, open-standard specification for defining the behavior of musical instrument samples within a sof...

Audio
.SMF

Standard MIDI File

A Standard MIDI File (SMF) is a universal file format designed to store MIDI (Musical Instrument Digital Interface) data, which consist...

Audio
.ST0

Sony Digital Voice File

The ST0 file format is a proprietary audio format primarily associated with older Sony digital voice recorders. It is used to store com...

Audio