While each vendor accepts various file types, be sure you understand the pros and cons of each before making your decision. (selfpublishingrelief.com)
It might be better to call them multimedia books because every enhanced ebook uses various file types to create an overall product. (amyharrop.com)
There are various file types located in this folder; you just need to import the ebook files, which have AZW in the file extension, sometimes TPZ. (blog.the-ebook-reader.com)