Try double-clicking the formats field and edit the formats.
Edit: This may not apply to you but the last time I tried to email an AZW3 to my kindle address, it was rejected by amazon as an unsupported format. This was two days ago. I read on the forums that changing the extension to .mobi works. Haven't tried that yet...
Last edited by JimmyR; 03-27-2013 at 08:07 PM.
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