Do you distribute EPUB3 files? Yes, that is the file format we send to all our distribution partners, including Amazon.
Related articles When will my eBook show up in the online stores? Who are all of the partners? Where can I sell my Fixed Layout eBook? My eBook is already available on one (or more) of your partner sites. Can I still sign up with BookBaby? Do I need a book editor? How do I properly set up knockout printing?