Double-check that you're signed in with the correct Microsoft account associated with your Office subscription or product key ...

If you purchase a Microsoft Office 2019 license from a third ... you’ll get a separate activation key for each product. When you install or run the application, you’ll be asked for the ...

Microsoft Software used by the Gina Cody School of Engineering and Computer Science requires activation with a Key Management Service (KMS ... should automatically re-activate, and your Office ...