In this fourth post, I thought it would be fun to go through the process of getting your app up into the Office app store so you can start making millions. Before you decide to submit your app to the store, you need to do a few things: Read the app store submission guidelines at http://msdn.microsoft.com/en-us/library/jj220035.aspx. These highlight the conditions your app must meet before it will be accepted. Register for a Seller account.