# Unnecessary files are modified when editing in Extended Tags

**URL:** https://community.mp3tag.de/t/unnecessary-files-are-modified-when-editing-in-extended-tags/44137
**Category:** Support
**Created:** [January 8, 2019, 3:07am UTC](https://community.mp3tag.de/t/unnecessary-files-are-modified-when-editing-in-extended-tags/44137 "2019-01-08T03:07:27Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![poster](https://community.mp3tag.de/user_avatar/community.mp3tag.de/poster/32/4881_2.png) [@poster](https://community.mp3tag.de/u/poster)
#### Post date: [January 8, 2019, 7:40am UTC](https://community.mp3tag.de/t/unnecessary-files-are-modified-when-editing-in-extended-tags/44137/3 "2019-01-08T07:40:07Z")

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> [@File resaved and date changed when do nothing](https://community.mp3tag.de/t/file-resaved-and-date-changed-when-do-nothing/43578/3):
>
> Just for clarification: Mp3tag always writes metadata to the files when told so without examining first, whether saving it would result in any actual change to the file. This is by design and not considered a bug.

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