# Rename files if track number is there or not

**URL:** https://community.mp3tag.de/t/rename-files-if-track-number-is-there-or-not/68672
**Category:** Support
**Created:** [May 30, 2025, 11:21am UTC](https://community.mp3tag.de/t/rename-files-if-track-number-is-there-or-not/68672 "2025-05-30T11:21:11Z")
**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: [May 30, 2025, 11:25am UTC](https://community.mp3tag.de/t/rename-files-if-track-number-is-there-or-not/68672/2 "2025-05-30T11:25:15Z")

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> [@reddwarf4ever](#):
>
> However the filename doesn't reflect the artist changes

Of course not. The filename is something for the file system to manage the files. The only requirement for a filename is to be unique and obey the syntax rules.  
Try 1 action of the type "Format value" for \_FILENAME:  
Format string: `[%track% -]%artist% - %title%`

See also the documentation:

> **[Rename Files – Mp3tag Documentation](https://docs.mp3tag.de/converters/rename-files/)**
>
> Documentation on Tag to Filename, a converter to rename files based on tags. Mp3tag is the universal Tag Editor.

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