# Autonumbering wizard not working for v1 ID3v1

**URL:** <https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725>\
**Category:** Support\
**Created:** [May 15, 2013, 11:34am UTC](https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725 "2013-05-15T11:34:59Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![neocobe](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/n/df705f/32.png) [@neocobe](https://community.mp3tag.de/u/neocobe)\
**Post date:** [May 15, 2013, 11:34am UTC](https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725/1 "2013-05-15T11:34:59Z")

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Hi,

Im trying to use the autonumbering wizard to add leading 0 for ID3v1 but it doesn't work.  
ID3V2 works fine

Neo

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<div class="post-metadata">

**Author:** ![dano](https://community.mp3tag.de/user_avatar/community.mp3tag.de/dano/32/6_2.png) [@dano](https://community.mp3tag.de/u/dano)\
**Post date:** [May 15, 2013, 11:40am UTC](https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725/2 "2013-05-15T11:40:04Z")

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Leading zeroes are not possible on ID3v1 tracknumber tags.

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<div class="post-metadata">

**Author:** ![neocobe](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/n/df705f/32.png) [@neocobe](https://community.mp3tag.de/u/neocobe)\
**Post date:** [May 15, 2013, 5:15pm UTC](https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725/3 "2013-05-15T17:15:36Z")

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Oh uff ![:blush:](https://community.mp3tag.de/uploads/default/original/1X/c5a064300f7d900a70c2196f6eee95e32dde9b52.gif ":blush:")

thx

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<div class="post-metadata">

**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [February 9, 2026, 12:24pm UTC](https://community.mp3tag.de/t/autonumbering-wizard-not-working-for-v1-id3v1/14725/4 "2026-02-09T12:24:29Z")

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Closed on February 9, 2026, 12:24pm UTC