Pretty much as the title says, is it possible to set Calibre to automatically create a backup copy of a given .epub file before editing it?

When experimenting, it would be handy to keep the original file untouched.

  • Frankly I haven't used the Calibre editor, but I would find hard to believe that it wouldn't. When doing conversions, it usually creates separate directories for source and output. Commented Apr 23, 2017 at 17:11

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I've contacted Calibre's developer, he said that it is not possible and that he doesn't find such feature useful, so he is not willing to implement it.

  • Calibre has a checkpoint feature (Edit > Create checkpoint) that you could use for backups. Simply assign it a keyboard shortcut and press it before major edits.
    – user4665
    Commented May 4, 2017 at 12:08

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