Microsoft Office Isn't Activated

Issue/Question

My Microsoft Office 2016 was not activated yesterday. 

Error: PRODUCT NOTICE Most of the featuers of (Excel/Word/PowerPoint) have been disabled because it hasn't been activated

Error: Office is already activated on this device

Error: Your school account is no longer active

Environment

• Windows 7
• Microsoft Office 2016
• Microsoft Office 2013

Resolution

Note:  Office 2016 is no longer able to be activated

1. Download and run the Microsoft Support and Recovery Assistant
   Note: if this does not work move on to step 2
2. Uninstall Office 2016
3. Install Office 365