For users who want a permanent backup of their files (AZW or KFX formats), Amazon provides a manual tool via their website. This is the most "manual" way but is necessary for archiving.
The file will download to your computer, and you can move it to your Kindle via a USB cable. Important Considerations can i download all my kindle books at once
This method is ideal if you want to store your books on a hard drive for offline reading via your computer. Method 3: "Download and Transfer via USB" For users who want a permanent backup of
Whether you are prepping for a long trip without internet or simply want a local backup of your entire library, the question is common: Can you download all your Kindle books at once? can i download all my kindle books at once