Hello, I am having the exact issue and there is workaround, however I am getting to Credential Manager and there is nothing there for gmail or google as explained in the known issue help article as explained below (There is nothing starting with “MicrosoftOffice16_Data:OAUTH2″),therefore I cannot delete or change it. 

Anyone know how to get it installed if i the steps dont apply?

Thank you in advance.

STATUS: WORKAROUND

To work around this issue, it is necessary to remove the Gmail access for Microsoft apps & services and do the browser sign in from Outlook again. The steps below enable you to get back to the browser sign in where you can check that check box. 

Step 1: Remove access for Microsoft Apps & Services in Gmail. 

Close Outlook.

Sign in to your Google account on google.com.

Select your profile picture in the top corner and select Manage your Google Account.

On the left side menu, select Security.

Scroll down to Your connections to third-party apps & services and select Microsoft apps & services.

Locate Microsoft apps & services has some access to your Google Account and select See Details.

Under Access you’ve given to Microsoft apps & services, select Remove all access.

Select Confirm.

Step 2: Delete the Google IMAP credentials from Windows Credential Manager

From the Windows Start menu, search for Credential Manager and open it. On Windows 10 you may need to open the Control Panel to access Credential Manager. For more information, please go to Accessing Credential Manager.

Under Manage your credentials, select Windows Credentials.

Scroll down to Generic credentials and locate those starting with MicrosoftOffice16_Data:OAUTH2.

​Hello, I am having the exact issue and there is workaround, however I am getting to Credential Manager and there is nothing there for gmail or google as explained in the known issue help article as explained below (There is nothing starting with “MicrosoftOffice16_Data:OAUTH2”),therefore I cannot delete or change it. Anyone know how to get it installed if i the steps dont apply?Thank you in advance. STATUS: WORKAROUNDTo work around this issue, it is necessary to remove the Gmail access for Microsoft apps & services and do the browser sign in from Outlook again. The steps below enable you to get back to the browser sign in where you can check that check box. Step 1: Remove access for Microsoft Apps & Services in Gmail. Close Outlook.Sign in to your Google account on google.com.Select your profile picture in the top corner and select Manage your Google Account.On the left side menu, select Security.Scroll down to Your connections to third-party apps & services and select Microsoft apps & services.Locate Microsoft apps & services has some access to your Google Account and select See Details.Under Access you’ve given to Microsoft apps & services, select Remove all access.Select Confirm.Step 2: Delete the Google IMAP credentials from Windows Credential ManagerFrom the Windows Start menu, search for Credential Manager and open it. On Windows 10 you may need to open the Control Panel to access Credential Manager. For more information, please go to Accessing Credential Manager.Under Manage your credentials, select Windows Credentials.Scroll down to Generic credentials and locate those starting with MicrosoftOffice16_Data:OAUTH2.  Read More

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