Outlook 2016 Email - RESOLVED
If you experienced this issue, please close and reopen Outlook and the problem will be resolved.
There is currently a known issue with Outlook 2016 giving a "Navigation to Webpage was canceled" popup message along with a need password prompt in the lower right. We are currently investigating. As a work around we are advising everyone to please use the Outlook WebApp. This issue does not impact mobile mail clients or Macintosh users.