# \[X\] autonumbering wizard
**URL:** https://community.mp3tag.de/t/x-autonumbering-wizard/18080
**Category:** No Bugs
**Created:** [July 1, 2016, 1:54am UTC](https://community.mp3tag.de/t/x-autonumbering-wizard/18080 "2016-07-01T01:54:39Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@tony.dekkers](https://community.mp3tag.de/u/tony.dekkers)
#### Post date: [July 1, 2016, 1:54am UTC](https://community.mp3tag.de/t/x-autonumbering-wizard/18080/1 "2016-07-01T01:54:39Z")
Mp3tag v2.78
In the autonumbering wizard, the leading zeros for tracknumbers does not work in mp4 video files.
it works however fine in MP3 audio files.
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### Author:  [@poster](https://community.mp3tag.de/u/poster)
#### Post date: [July 1, 2016, 6:00am UTC](https://community.mp3tag.de/t/x-autonumbering-wizard/18080/2 "2016-07-01T06:00:57Z")
[Add "always assume padded zeroes" for m4a files option](https://community.mp3tag.de/t/17836/1)
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### Author:  [@tony.dekkers](https://community.mp3tag.de/u/tony.dekkers)
#### Post date: [July 1, 2016, 6:08am UTC](https://community.mp3tag.de/t/x-autonumbering-wizard/18080/3 "2016-07-01T06:08:31Z")
Thank you for the fast response, I expected it of some sort to be non standard.
Great piece of software nevertheless......
Cheers, have a great day !
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### Author:  [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [December 28, 2018, 2:38pm UTC](https://community.mp3tag.de/t/x-autonumbering-wizard/18080/4 "2018-12-28T14:38:11Z")
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