Some users reported that every time they open the classic Outlook app on their computer systems, the Outlook (new) app opens in place of it automatically. Maybe you had made the switch by mistake..

Did you open Outlook today and think, "Why does everything look different?" Maybe the message list looks squashed, the reading pane is in the wrong place, or the whole layout feels unfamiliar. Happily ...

Make sure your preferred Outlook calendar is the one checked when you look here: Settings > Apps > Calendar > Default Calendar. Check the chosen calendar in the Calendar app. You may have been saving ...