In the main window, under User Information click on the Sign out link.Click finish and Close to close the Account Settings window.You might get a warning telling you that you need to restart Outlook for the changes to take effect.If there is a check mark beside Use Cached Exchange Mode, remove it and click Next.In Outlook click on File, Account Settings → Account Settings.If you continue to receive the pop-up message, please follow the procedure below to get rid of the message. Whether you hit cancel or log in, the prompt returns A recent update to Microsoft Office has caused a login pop-up to appear in Microsoft Office.
