Blank Outlook Authentication Window


When asked to authenticate in Microsoft Outlook, the window that appears is blank and prevents user from authenticating



Microsoft Office 365, Windows 10




Clear saved Office credentials in Credential Manager app


  1. Click Start > Control Panel > User Accounts > Credential Manager.
    • Note: If 'View by' is set to Category, click User Accounts first, and then click Credential Manager.

  2. Select the Windows Credentials option. Locate the set of credentials that has either Outlook or Microsoft Office in the name and then expand the corresponding folder.

  3. Then click Remove from Vault or Remove (depending upon which version of Windows you are running).

  4. Repeat step 3 for any additional sets of credentials that have the word Outlook or Microsoft Office in the name. (and resembles the account-name you tried to remove)



Do you still need help?  Create a support ticket and someone will contact you. Microsoft Office


Article ID: 106370
Tue 4/28/20 6:37 PM
Fri 11/13/20 4:00 PM