You might think that publishing a book on Kindle is just as easy as taking a MS Word file and uploading it. Well, you’d be half right. You can upload a Word file, but you’d probably regret it.
Amazon supposedly takes “Word (DOC or DOCX), HTML (ZIP, HTM, or HTML), Mobipocket (MOBI), ePub (EPUB), Plain Text (TXT), Rich Text Format (RTF), Adobe PDF (PDF)” files, but most of these will either have formatting problems or won’t take advantage of Kindle’s ability to change font size. I’ve personally used html, mobi, and ePub and have had the best results with mobi.
So that begs the questions, “How do you get your draft into a mobi file?” There’s no “save for Kindle” option in either Word or Pages.