Thread: Identifying 'primary' format
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Old 03-26-2013, 12:19 PM   #6
theducks
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Quote:
Originally Posted by Agama View Post
Fair enough! I'll give it a go and see what happens. Is it possible to delete a custom column or should I just back up my library first?
It is easy to delete.
Anytime you plan on a major structure change, you should have a backup.

Note: adding a custom column will update all the (backup) Metadata.opf files in the folders
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