Windows Live

Signup for Windows Live at Live offers free storage through OneDrive as well as access to Word, Excel, PowerPoint, and OneNote.

There is a free version of Office 365 you can try out too! This has all the advantages of the pay version, but if you sign up with a email address, there is no charge. Once you create an account, you can actually download office software to your own computer as well as use Office software online. Go to this site to sign up.