Here at How-To Geek we love dark mode and use it a lot. If you’re an Office user who wants a darker experience, here’s how to enable dark mode in Outlook Web App.
Dark mode is only available in the new modern Outlook design. If you haven’t turned on the feature yet, it will be automatic for you soon as Microsoft has announced that over the next few months it will bring everyone to the new experience.
To enable Dark Mode, click the Settings icon in the top right corner and turn on the Dark Mode option.
That’s all there is to it. The app instantly switches to dark mode, which is much more pleasing to the eye after the previous all-white incarnation.
If you want the reading area and just the reading area to be white, there is a toggle in the selected email that allows you to do so.