Do they actually check the file content or just the name?
If the latter, just a .AZW alias to the actual .AZW3 might work ...
(I can't test, don't have a Kindle nowadays)
Once the files are in the Kindle, it would probably work out OK.
Do they actually check the file content or just the name?
If the latter, just a .AZW alias to the actual .AZW3 might work ...
(I can't test, don't have a Kindle nowadays)