Convert .AU to .M4A

This guide explains how to convert .AU files to .M4A and provides information about both file formats.

About .AU

.AU is an audio file format originally developed by Sun Microsystems. It is commonly used for simple audio recordings and is supported by various audio playback applications.

.AU files are audio files typically used for sound recordings and can be played using compatible audio software across various platforms.

About .M4A

.M4A is a file extension for an audio file encoded with Advanced Audio Codec (AAC) which offers high-quality sound. It is part of the MPEG-4 format and is often used for storing music and other audio content.

.M4A files are audio files commonly used for storing music and podcasts, playable on most devices and platforms.

Conversion tools

These tools support converting .AU to .M4A.

Related guides

• How to open .AU files
• How to open .M4A files
• File extension index