How to format my columns?

[ohrenkino]

@Alegria

"file name " ...But I can't find what to write in the fields after hitting "customize" and "new".

Set only value, e.g. with %_filename%, %_filename_ext% or %_path%.

@Alegria

I tried making a custom value that I can make appear in the tag panel, but no way to make it a column

Please tell us the custom field name. Which field name did you choose for the tag panel?

@Alegria

I can't find a way to make that value appear in Windows's file browser

This is a Windows problem - there is no way that MP3tag can do anything about the functions in the Windows Explorer or Windows Media Player.
Here is a thread about Windows Explorer's displayed music file properties:

Additional research results for the topic "Make tag fields readable by Windows Explorer"

I have done some additional research on 1.) Filled a mp3 with every offered field from Mp3tag (ALT + T Reset fields, added every choosable field with describing content) [AttributesWhichCanBeViewedOnMp3Tag#1] [AttributesWhichCanBeViewedOnMp3Tag#2] [AttributesWhichCanBeViewedOnMp3Tag#3] 2.) Let exiftool read all this tags -> It has some problems with proprietary tags like WFED, MVNM or GRP1 3.) Let my own tagviewer read all this tags -> shows, which tags does not strictly belong to t…