Preferences ==> Saving books to disk
Uncheck "Save cover separately"
Uncheck "Save metadata in a separate OPF file"
MAKE SURE "Update metadata in save copies" is (still) checked
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It is done by default for backup and redundancy reasons.
Also, because while EPUB allows any namespaced metadata in the OPF, other formats use a set list of fields (e.g. mobi headers).
Some formats don't support updating covers at all -- EPUB and AZW3 both do though.
Last edited by eschwartz; 11-22-2015 at 03:42 PM.
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