Originally Posted by DiapDealer
For the files downloaded to actual eink devices, yes they're "movable." But not so for files downloaded to K4PC/Mac.
It's an easy mistake to make.
(but important enough for people to take note of, I think)
If I am understanding correctly, then in order to backup my books successfully (correctly) I should download them to a Kindle device and NOT to the K4PC? Prior to saving them via a Calibre library? This is so confusing.