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To use download and transfer you are required to have a kindle device that supports it registered on your account (11th gen or older), so that's why the option
by stevewodil 2y ago
To use download and transfer you are required to have a kindle device that supports it registered on your account (11th gen or older), so that's why the option doesn't show up for you.
If the files are .azw3 then it's the same