Gspace: storage your file use the Gmail

This extension allows you to use your Gmail Space (growing and growing) for file storage. It acts as an online drive, so you can upload files from your hard drive and access them from every Internet capable system. The interface will make your Gmail account look like a FTP host.
No more word so easy to use. try it: https://addons.mozilla.org/firefox/1593/
PS: This extension compatible with FireFox1.5~2.0.