1. Find and tap on the "App Store" Icon on your iPhone
  2. Tap on the "Search" icon in the bottom right.
  3. In the Search Bar, type in "Microsoft Outlook" and then tap on the Microsoft Outlook entry that appears
  4. Tap on "GET" next to the Microsoft Outlook App that looks like below:

  5. Once it has installed, the "Outlook" icon will appear on your device's home screen