Audacity Forum

I had seen on a different post that potentially deleting some audacity.cfg file (may not be the right file extension) may restore .m4a compatibility. That's why I had checked in that folder location.

Yes, the .M4A files work on the older version without issue, it's just on this newer version they don't for some reason.

I was recently using Audacity 2.1.3 with some .M4A files with no problems and decided to check and update to the latest version. For some reason, files initially wouldn't open. After setting the extended import options to FFmpeg-compatible files at highest priority and downloading FFmpeg/LAME as a b...