

Remove any credentials associated with Office and your O365 account (Look for anything starting with MicrosoftOffice16.) - ensure you don’t remove credentials for accounts other than the problematic account. Remove any Outlook saved credentials using the Windows Credential ManagerĬlick start and type in credential and open Credential Manager and select Windows Credentials



If you have Office365 MFA enabled and Outlook constantly prompts you for a password for your Office365 account, you may need to enable Modern Authentication in your Office365 tenant.
