# Ability to select the "Key" field

**URL:** <https://community.mp3tag.de/t/ability-to-select-the-key-field/61602>\
**Category:** Support\
**Created:** [July 18, 2023, 6:30pm UTC](https://community.mp3tag.de/t/ability-to-select-the-key-field/61602 "2023-07-18T18:30:54Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![JerryGoedert](https://community.mp3tag.de/user_avatar/community.mp3tag.de/jerrygoedert/32/22553_2.png) [@JerryGoedert](https://community.mp3tag.de/u/JerryGoedert)\
**Post date:** [July 18, 2023, 6:30pm UTC](https://community.mp3tag.de/t/ability-to-select-the-key-field/61602/1 "2023-07-18T18:30:54Z")

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It would be nice to have the ability to select the Key field for the columns.  
I also noticed that I cannot select Custom1 and Custom2 fields which Windows Media Player uses.  
I put information in these fields.

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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:** [July 18, 2023, 6:34pm UTC](https://community.mp3tag.de/t/ability-to-select-the-key-field/61602/2 "2023-07-18T18:34:06Z")

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> [@JerryGoedert](#):
>
> Custom1 and Custom2 fields which Windows Media Player uses

Have you checked the extended tags dialogue Alt-T whether WMP has written these fields into the files or just into its own database.

The field for key is called INITIALKEY in MP3tag - and you can add that field to the file list and/or the tag panel, see the documentation:

> **[Customization – Mp3tag Documentation](https://docs.mp3tag.de/customization/)**
>
> This section provides details on the customization of Mp3tag. Mp3tag is the universal Tag Editor.

See also the documentation on further field names:

> **[Tag Field Mappings – Mp3tag Documentation](https://docs.mp3tag.de/mapping/)**
>
> Overview of all available tag fields, their names in Mp3tag, and how they are mapped to the internal structures of the different tag formats. Mp3tag is the universal Tag Editor.

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [August 17, 2023, 6:34pm UTC](https://community.mp3tag.de/t/ability-to-select-the-key-field/61602/3 "2023-08-17T18:34:49Z")

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