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HarryT · 08-30-2010, 10:19 AM

I've only previously used Calibre to handle ePub files, but now, having just got a Kindle 3, I'm starting to use it for Mobi files too.

I've encountered one slight irritation, and that's that Mobi files can have either a ".mobi" or a ".prc" extension. I have my preferred output format in Calibre set to "Mobi", but many of my Mobipocket files actually have a ".prc" extension, so when I use the "Save Only Mobi format to disk" Calibre says "I can't find a Mobi file to save".

Is there any way to tell Calibre "these PRC files really are Mobi files", or should I rename all my ".prc" file to ".mobi" before adding them to Calibre?

08-30-2010, 10:19 AM	#1
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383043 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	How to handle Mobi files I've only previously used Calibre to handle ePub files, but now, having just got a Kindle 3, I'm starting to use it for Mobi files too. I've encountered one slight irritation, and that's that Mobi files can have either a ".mobi" or a ".prc" extension. I have my preferred output format in Calibre set to "Mobi", but many of my Mobipocket files actually have a ".prc" extension, so when I use the "Save Only Mobi format to disk" Calibre says "I can't find a Mobi file to save". Is there any way to tell Calibre "these PRC files really are Mobi files", or should I rename all my ".prc" file to ".mobi" before adding them to Calibre?