How can I copy id3v1 to id3v2?

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1

I wish to copy id3v1 tag to id3v2 where id3v1 only exist.

I googled and looked every menu but I couldnt find it.

2

By default MP3tag writes both tags.
Check your Extras >Options >Mpeg to see if you write V2.

You could sort for only-v1 tags if you sort the column "Tags" with the contents
%_tag_read%[ (%_tag%)]