The same method of storing documents on Yahoo! can also be used on Gmail as well. In fact, the set up is even easier. For this purpose, I like Gmail a lot better because of their use of labels instead of folders. One email containing a stored document could be slapped with multiple labels, making the document easier to find in a search. Here are the adjustments needed to make Gmail a document storage site (at least until they bring the fabled Gdrive online).