In this quick lesson from TheMacU.com see how to use the Mail App in High Sierra with the new Split View feature in Full Screen. I use Mail all the time and this feature has made the App that much better. I now always have Mail in Full Screen and utilize Split View for replies and new messages.
Learn much more about  macOS High Sierra in both the What’s New and Core Concepts Tutorials available now. We also have a full tutorial on Mail for Mac as well!

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Prepare your Mac for the upgrade to High Sierra and keep it running its best with CleanMyMac!