Setup Office 365 Email on an iPhone
Below is a brief explanation of how you can setup your Office 365 Email on an iPhone.
Open your “Settings” menu and navigate to “Mail Contacts, Calendars”, then select “Add Account”. For “Account Type”, select “Microsoft Exchange” or “Exchange”.
You will need to enter in the following settings
If it asks you for a server, enter “outlook.office365.com”.
You may receive a certificate error, select “continue” to acknowledge.
Last, select the information you would like to download from your Office 365. In order to get email, you will need to at least have “Mail” set to “On”.