You can change your Outlook theme in your account settings while logged in through a browser or in the Mac and Windows apps.

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 ...

It's easy to change your time zone in Outlook if you've relocated to a new place with a different time zone. Here's how.

In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, right-clicking on it, and selecting “View source” from the context menu.