The DRM removal is the simplest part of the whole process. Just drag-and-drop your ebooks from your e-reader (or local drive) into Calibre's main window; the software will automatically delete the DRM.

How do you remove DRM from caliber?

If you already have your books stored on your PC, simply drag and drop them into Calibre's main window. If you're taking books off your e-Reader, plug it into your PC via USB. Using File Explorer, drag and drop the e-Books from your e-Reader into Calibre's main window, and all that nasty DRM will be stripped out.

Can calibre remove DRM from audiobooks?

However, it is possible to remove DRM by adding the DeDRM plugin for calibre. The DeDRM plugin can remove DRM from Kindle eBooks, Barnes & Noble ePub ebooks, any ebooks using Adobe Digital Editions DRM (this includes ePubs from Kobo, Google Play, and Sony that are downloaded for Adobe Digital Editions), etc.