SkyDrive
Allows you to store and share documents, files, photos and folders and access them from any computer, or share with their friends. It's a password protected 25GB Web-based virtual hard drive - say goodbye to carrying that flash drive around. You can access your files at home, work, school - anywhere there is an Internet connection.
Create shares to collaborate on documents, data analysis and presentations using the sharing features of SkyDrive.
Learn more about SkyDrive. More information is also available at Tutorials and Support.