Users of EasyEdit need to know where on their computers their books are located. One reason is for making backup copies of their work. Another reason is to locate the .mobi file—the single file that represents your Kindle book–that can be sideloaded onto e-reader devices or uploaded to Amazon.com for sale.
When using EasyEdit, all of your books are contained in one folder, named Books, found inside your My Documents folder, inside an EasyEdit folder:
In other words, to find your books, open My Documents, then open EasyEdit, and find the Books folder. Inside Books are folders that contain all your individual books.
To locate the .mobi file, open the desired book folder, then open the proof folder. Inside the proof folder you will find the .mobi file for that book: