# \[X\] Auto-renumbering with 100+ files in folder
**URL:** https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661
**Category:** No Bugs
**Created:** [January 4, 2018, 2:22pm UTC](https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661 "2018-01-04T14:22:36Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@mp3Guest](https://community.mp3tag.de/u/mp3Guest)
#### Post date: [January 4, 2018, 2:22pm UTC](https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661/1 "2018-01-04T14:22:36Z")
When auto-renumbering a folder with 100+ files, the tag results in incorrect data (usually multiple random files allocated the same number).
Tried this with and without leading 0.
Tried this with and without reset each directory (even though only using 1).
In each case, mp3tag always shows the correct numbers - but Windows Explorer shows the incorrect data in the track field.
Tried repeating the auto-numbering with only the first 99 tracks selected, and there are no problems found when doing this.
Error seems to only occur with 100+ tracks selected
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### Author:  [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [January 5, 2018, 8:34pm UTC](https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661/2 "2018-01-05T20:34:11Z")
A bug it is and a known one, too.
Yet it is a Windows explorer bug: it interprets 3-digit numbers as octal values (instead of decimal ones).
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### Author:  [@DetlevD](https://community.mp3tag.de/u/DetlevD)
#### Post date: [January 6, 2018, 9:37am UTC](https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661/3 "2018-01-06T09:37:33Z")
> [@mp3Guest](#):
>
> When auto-renumbering a folder with 100+ files, the tag results in incorrect data ... Tried this with and without leading 0 ... In each case, mp3tag always shows the correct numbers - but Windows Explorer shows the incorrect data in the track field. ... Error seems to only occur with 100+ tracks selected
Regarding the new created track number looks like an Octal Number, see also ...
[Request For Comments: Standard for MultiDisc Track Numbering](https://community.mp3tag.de/t/15956/3)
[Führende Nullen bei dreistelligen Track-Nummern](https://community.mp3tag.de/t/15958/2)
[/t/19576/1](https://community.mp3tag.de/t/19576/1)
[Padding Track Num, Scrambled.](https://community.mp3tag.de/t/11740/3)
[Problem with leading zeros in the TRACK tag](https://community.mp3tag.de/t/12964/2)
DD.20180106.1137.CET
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### Author:  [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [December 28, 2018, 6:53pm UTC](https://community.mp3tag.de/t/x-auto-renumbering-with-100-files-in-folder/19661/4 "2018-12-28T18:53:07Z")
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