Quote:
Originally Posted by robbw
If we already have a number of unprocessed books in Calibre, can we copy them all to our Kindle, empty the Calibre library, and then drag them back over from the documents folder to process them?
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You don't need to transfer them to your Kindle to trigger the conversion process.
Use the Convert Books button in the top menu bar. If you select all your books and then choose the Convert Books button, you can do a bulk conversion. If you have many books that need conversion, start it up and let it run overnight.
http://calibre-ebook.com/user_manual...onvert-e-books
Be sure to select MOBI as your output format (top right corner), and Kindle as your output device. (Uhhhh, under "Look and Feel" I think.)
http://calibre-ebook.com/user_manual...hlight=convert
If you want to discard the original format files after conversion is finished, I believe there's a Format selector in the Tag Browser on the left. You can use it to select the non-MOBI files and delete them in one fell swoop.
http://calibre-ebook.com/user_manual...ml#tag-browser