Quote:
Originally Posted by lazorbeam
This seems like the group to ask. Is there a way to make Custom Column info more permanent? That is, to make it remain part of the metadata like title/author/tags when you have to restore or recreate your library? Just experienced this today and had to manually/batch re-add my
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Press F1, then see
Calibre User Manual->Frequently Asked Questions>Miscellaneous->How do I backup calibre?
If you do daily incremental backups to a USB drive or cloud storage, should only take a few moments.
BR