HowTo: calibre: Remove DRM Protection from Kindle eBooks: 2. Import & Convert (Single or Batch) (2024)

Amazon has released a new version their Kindle app for macOS. The latest version of the DeDRM Tools plugin for calibre (10.0.3 and RC 10.0.9) no longer remove the DRM (Amazon now uses KFX-ZIP format). However there is still a trick that you can use to acquire the older azw3 format if you own a Kindle eBook Reader – it just needs your Kindle eBook Serial number (the one that you have registered with Amazon).

You must have already set up calibre as per the first part of this tutorial or this will not work.