My message from way back:

Quote Originally Posted by VendenBos
The Tools Advanced option to copy/move values between database fields looks great!

However: the field Barcode does not appear in the listboxes source and destination field, so it will not help me convert the custom barcodes to the new 'official' Barcode field.

I checked all the listbox fields against the database fields and found some other fields missing: Sub-genre, Overall Rating, Date added and Last modified. These fields will probably not be used for this convert tool, but the same list applies for advanced search and there the fields will be used.
Will these fields (Barcode, Sub-genre, Overall Rating, Date added and Last modified) be added to the list for advanced search and tools advanced lists? Any response on this subject is eagerly awaited. Thanks.