Add Office 365 Email to Outlook for iOS
Follow the below instruction on how to setup your Office 365 email on your iOS device.
Download Outlook from the Apple Store.
Outlook will prompt you to enter your email address.
Enter it and press Add Account
Outlook will then ask you for your credentials. Enter your email address and password
Once Outlook is setup, it gives you the option to add other accounts. You can but that is not covered in this article.
Enjoy your Outlook on your iOS device.