If Microsoft Office is telling you that it is expiring and needs to be renewed (usually if you are using a laptop off-campus). This article discusses how to do so.
Reactivate Microsoft Office
Microsoft Office
If you are often off campus with the computer, to avoid having to do this in the future make sure you connect to the University network through the VPN once every 3 months for about a half hour. Click here for Windows instructions on how to install the VPN; click here for Mac instructions on how to install the VPN.