# Bulk tag change - Track Number

**URL:** https://community.mp3tag.de/t/bulk-tag-change-track-number/61887
**Category:** Support
**Created:** [August 23, 2023, 11:33am UTC](https://community.mp3tag.de/t/bulk-tag-change-track-number/61887 "2023-08-23T11:33:54Z")
**Posts on this page:** 1
**Showing post:** 3

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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: [August 23, 2023, 11:43am UTC](https://community.mp3tag.de/t/bulk-tag-change-track-number/61887/3 "2023-08-23T11:43:01Z")

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> [@Bluesky](#):
>
> format: 001....002...003,

Please note that not all players, in this special case the WIndows media player and the Windows explorer, can cope with 3-digit-numbers with leading zeros:

> [@Auto-Numbering Wizard works incorrectly by using leading zeros](https://community.mp3tag.de/t/auto-numbering-wizard-works-incorrectly-by-using-leading-zeros/56359):
>
> Hi together, I came across an issue today with the latest official release (and also the dev release 3.12a). I like to use the auto numbering wizard with leading zeros for around 170 tracks. Doing this in Mp3tag the values got displayed correctly like 001, 002, 003, ... 172. When checking the files in the directory the sequence is mixed up like 1,2 ... 8, 9, 8, 9 or missing numbers inbetween. When I do not use the leading zeros option the numbering is fine in Mp3tag and the directory but of co…

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_[View the full topic](https://community.mp3tag.de/t/bulk-tag-change-track-number/61887)._