Hi @Dana S Johnson,
Firstly try the troubleshooting steps on this article: Microsoft Office keeps asking to sign in.
Outlines:
- Update Microsoft Office
- Disconnect and reconnect your Work or School account
- Check whether the “Always prompt for logon credentials” option is disabled or not
- Delete your credentials
- Change OneDrive settings
- Reset OneDrive
- Create new values in Registry
- Delete the Identity folder in Registry
- Delete the cached files from Office Upload Center
- Run an online repair
In my experience, the steps in this article are always helpful in the scenario and it provides detailed tutorial step by step.
Kindly let me know if any step solves this issue or you still need help. We are glad to provide further support.
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