# M4A Files 0kbps

**URL:** <https://community.mp3tag.de/t/m4a-files-0kbps/55501>\
**Category:** Support\
**Created:** [December 13, 2021, 2:50pm UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501 "2021-12-13T14:50:16Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [December 13, 2021, 3:13pm UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501/2 "2021-12-13T15:13:26Z")

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does this help?

> [@MP4 / M4A cannot remove some tags](https://community.mp3tag.de/t/mp4-m4a-cannot-remove-some-tags/54377):
>
> I have some M4A files that have encoder version information (string like Lavf57.41.100) from FFmpeg, and these don't show up in MP3Tag, and this seems to prevent the "MP4" tag from being removed fully. There are M4A files which do not contain this field, and can actually have the MP4 tags removed fully in Mp3tag. So I think it could be fixed. This came up because I was trying to find duplicate files, but the fact that two M4A files are the same but with a different encoder version meant that t…

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