# How to tag m4b files?

**URL:** https://community.mp3tag.de/t/how-to-tag-m4b-files/18392
**Category:** Support
**Created:** [November 3, 2016, 8:31pm UTC](https://community.mp3tag.de/t/how-to-tag-m4b-files/18392 "2016-11-03T20:31:02Z")
**Posts on this page:** 1
**Showing post:** 1

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### Author: ![SuperDerpBro](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/f475e1/32.png) [@SuperDerpBro](https://community.mp3tag.de/u/SuperDerpBro)
#### Post date: [November 3, 2016, 8:31pm UTC](https://community.mp3tag.de/t/how-to-tag-m4b-files/18392/1 "2016-11-03T20:31:02Z")

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As soon as I press save everything I have edited or added goes blank. I was using a portable version or MP3tag so i tried installing the newest install version.. same deal 😕

Really would like to be able to change the cover, tittle, and genre on a lot of books i have.

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_[View the full topic](https://community.mp3tag.de/t/how-to-tag-m4b-files/18392)._