Here is how to fix your activation code issue

  1. In any Office app, go to File > Account (or Office Account in Outlook) > Sign out.
  2. Close all Office apps.
  3. In any Office app, go to File > Account (or Office Account in Outlook) > Sign back in

Shows the Sign out link in the backstage view of Office on Windows


This content was copied and revised from and may be outdated if there was an update it can be found in the link below.  Current steps, as well as additional information can be found at: https://support.microsoft.com/en-us/office/sign-out-of-office-5a20dc11-47e9-4b6f-945d-478cb6d92071