Originally Posted by Blossom
I sync then I just backup the Documents folder it keeps everything for non Amazon books and DRM free Amazon books.
When I get a new Kindle (Currently own 5 Kindles) I just copy the folder over to the new Kindle. Any Amazon books with DRM will have to be redownloaded but everything should be sync on their server.
This works for K3, K4 Kindles. The PW and KT I think would work together but not if you moved everything over to a K3 or K4 from a K5 because the file structure is a bit different.