Using the IPAD with a keyboard

I've been issued this great little keyboard that is also a holder for the IPAD when you put it away. It's thrilling. I'm back to touch typing and all the speed it gives me. Instead of a mouse, I touch the screen to put my curser where I need it. It works well. Now, I just have to figure out how to save my list of passwords (an excel spreadsheet) that sits nicely in the file structure on my windows laptop. IPAD has no file system. I'm sure my favorite engineer will have a solution.