# M4A Files 0kbps **URL:** \ **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:** 5\ **Page:** 1
**Author:** ![002](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/0/a6a055/32.png) [@002](https://community.mp3tag.de/u/002)\ **Post date:** [December 13, 2021, 2:50pm UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501/1 "2021-12-13T14:50:16Z")
I have some .m4a music files but they all have a bit rate of 0kbps,here is the picture of it ![12](https://community.mp3tag.de/uploads/default/original/2X/5/582e5711fdc382e11f5b70c71e95cd1348d54826.png) I can still play them but I can't fast forward while listening and I can't edit their tag. I found a software to get their tag back (fix all problems too) but I accidentally deleted it and now I forgot its name ☹ Can someone tell me what software it is? Or is there another way to fix my files and retrieve their tag? Thank you very much ! 😊 ---
**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")
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… ---
**Author:** ![002](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/0/a6a055/32.png) [@002](https://community.mp3tag.de/u/002)\ **Post date:** [December 14, 2021, 4:03am UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501/4 "2021-12-14T04:03:17Z")
Is there an easier way? I'm not familiar with this way. And these M4A files used to have metadata, is there any way to recover it without overwriting the old one ? ---
**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 14, 2021, 7:28am UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501/5 "2021-12-14T07:28:50Z")
> [@002](#): > > Is there an easier way? Please define "easier" than a command line. No, honestly: you can be glad if there is a way at all to save a file that obviously has a corrupt header and so misses vital information. The display of 0kbps means that the file has to be rebuilt to get it all together again. And then, when the file structure is OK again, then you can think about tagging the file. I doubt that you will get back any of the old tags. Or to put shorter: No, I don't know an easier way, I am glad I found at least this one (which also has no guarantee of doing the job). ---
**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\ **Post date:** [February 9, 2026, 12:29pm UTC](https://community.mp3tag.de/t/m4a-files-0kbps/55501/6 "2026-02-09T12:29:34Z")