You will also find a comparison table describing the differences between the two formats. In this article, you’ll learn about 3 ways to convert M4A to MP3. The problem is easily solved by converting the M4A file into the standard MP3 format. However, this MP4 variant is nowhere near as popular as its “big brother,” so you may encounter problems trying to play M4A files on your multimedia device or even your computer. If you receive some music or an audio recording in the unfamiliar M4A format, don’t be concerned: it’s just a variation of the well-known MP4 or MPEG-4 format suitable for audio files with no video track.