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Convert .M4B to .AU

This guide explains how to convert .M4B files to .AU and provides information about both file formats.

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About .M4B files

.M4B is a file format used for m4b files.

Learn more about .M4B files

About .AU files

.AU identifies a audio file format used by specific applications and workflows. This guide helps you open it safely across devices.

.AU files are commonly used as audio files and can be opened with compatible software on major platforms.

Learn more about .AU files

Conversion tools

These tools support converting .M4B to .AU.

Movavi Video Converter

Movavi Video Converter is a desktop media converter with an extensive official list of supported input and output formats across video, audio, and image categories, promoted through Movavi’s affiliate platform and partner networks.

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