Thanks. I'll try that. I have a Kindle, but in the past I downloaded the books to the PC when I wanted a backup, and used Calibre on that. I did this because th

Thanks. I'll try that. I have a Kindle, but in the past I downloaded the books to the PC when I wanted a backup, and used Calibre on that. I did this because the docu said that it could only un-DRM books in "PC" format, the Kindle used something different. This is from a few years ago.