# 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:** 3
**Page:** 1

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### Author: ![serge73](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/s/71c47a/32.png) [@serge73](https://community.mp3tag.de/u/serge73)
#### Post date: [September 9, 2026, 6:26pm UTC](https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824/1 "2026-09-09T18:26:24Z")

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Hello everyone

I do not understand why if

I see that in mp3 tag

 ![2026-09-09_20h23_13](https://community.mp3tag.de/uploads/default/original/3X/8/d/8d3ef7531728244f5b15e06cc78ae97399b1ac48.png)

I see nothing in windows 11

 ![2026-09-09_20h25_43](https://community.mp3tag.de/uploads/default/original/3X/b/f/bf8911669b2dd5da95c678c745cbb6cf5bd85509.png)

Thanks for your help

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

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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…

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### Author: ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)
#### Post date: [September 23, 2026, 6:05am UTC](https://community.mp3tag.de/t/mp4-tag-not-seen-in-windows/71824/3 "2026-09-23T06:05:09Z")

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