http://support.microsoft.com/select/default.aspx?target=assistance&c1=505&
How to ask for a screenshot to help investigate and troubleshoot an issue
The domain is provided free of charge to the customer for a year, and it is owned by the customer. When the subscription is canceled, the customer can choose to transfer the domain to another registrar. The customer is thereafter responsible for yearly renewal fees for domain registration. Fees vary by registrar.
How to sign up for Office Live