Quote:
Originally Posted by banjomike
I've just resurrected an old PC (Win 7, 32 bit) running Calibre 0.9.25. The library contains different books to my main Calibre library and I don't want to merge them. Obviously I want to upgrade to 2.16 but should I update to 1.xx first?
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Calibre will migrate the DB schema if needed. Just give it
time to complete the install
Backup of a Library is always a good idea before taking a 'big step'