The Outlook iOS app is the recommended way to use Office 365 on your iOS device. Unlike the native email and calendar clients on your device, the Outlook for iOS app is fully supported by Microsoft.
Microsoft provides step-by-step instructions on how to configure your account within Outlook for iOS client.
On the 'Add Account' screen, enter the email address of the account you are configuring:
Important: This application uses UW-Madison's NetID Login service to authenticate you into Office 365. Use the associated password for the email account you are adding. Personal account: bbadger / pwd (personal account password) --- Service account: buckingham.badger_doit / pwd (service account password).