# MP4 tag not seen in windows

**URL:** https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824
**Category:** Support
**Created:** [September 9, 2026, 6:26pm UTC](https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824 "2026-09-09T18:26:24Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### 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: [September 9, 2026, 6:47pm UTC](https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824/2 "2026-09-09T18:47:50Z")

</div>

Looks like the windows explorer does not understand mp4 files with nero tags.  
See also here:

> [@MP4/M4A/M4B: iTunes/QuickTime and Nero metadata](https://community.mp3tag.de/t/mp4-m4a-m4b-itunes-quicktime-and-nero-metadata/69341):
>
> Mp3tag supports two tag formats for MP4/M4A/M4B: iTunes/QuickTime and Nero metadata. When writing metadata, Mp3tag tries to only use iTunes/QuickTime metadata if possible, but writes Nero metadata in the following circumstances: The file already contains Nero metadata. Mp3tag then updates both metadata formats with the updated contents. The file contains QuickTime chapters. Mp3tag can't edit QuickTime chapters at the moment — only reading and removing QuickTime chapters is supported. On w…

---

_[View the full topic](https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824)._