M4A file format

MPEG-4 Audio

M4A is an audio file in the MPEG-4 format, usually with AAC audio. iPhone voice memos and iTunes music use it.

Convert M4A to MP3

Where M4A files open

iPhone

Voice Memos saves M4A files.

Yes

Windows

Plays in the built-in Media Player app.

Yes

Car stereos

Many newer stereos play M4A, older ones often do not.

Partly

Convert M4A to

23 formats

Audio

Convert to M4A

57 formats

Video

Audio

Other audio formats