Saving to Disk
I' doing some cleaning up in my library and to that purpose, I am saving to disk some books - Russian Classics, French Classics, etc -, zipping them by collections and storing them in my WHS.
I am using "Save only EPUB format to disk" and it works great.
What is being saved is the EPUBs themselves plus an opf file for each epub - I guess it's metadata.
Now, if I ever want to put some of those books back in my library, is it enough just to add the epub or should I do something with the opf file?
Many thanks
PF
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