# M4b file not importing

**URL:** https://community.mp3tag.de/t/m4b-file-not-importing/57829
**Category:** Support
**Created:** [July 4, 2022, 1:39pm UTC](https://community.mp3tag.de/t/m4b-file-not-importing/57829 "2022-07-04T13:39:44Z")
**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: [July 4, 2022, 1:43pm UTC](https://community.mp3tag.de/t/m4b-file-not-importing/57829/2 "2022-07-04T13:43:41Z")

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see this thread:

> [@Certain .m4b files to not be recognized in mp3tag](https://community.mp3tag.de/t/certain-m4b-files-to-not-be-recognized-in-mp3tag/57103):
>
> I have been trying to go through my audiobook collection and add a bunch of tags for better library management, but about 1/3 of my files are not recognized when I open a directory. Some of these files have come directly from Audible, via the OpenAudible program - so it gets the Audible files and converts them to .m4b. I then copied those files over to my library and used Readarr to rename/reorganize them. Now, some of them show up in mp3tag, and some of them don't. I cannot figure out what …

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