After you've completed the above steps, you can start using your Outlook email account on your iPhone. The Mail application will download your email messages and share contacts with your contacts, calendars, and reminders. This is the fastest and easiest way to send emails and communicate with people you work with. And, the best part is, you can even use this same account for sending messages to your contacts. The iPhone Mail app works for business and personal email accounts.

See also - https://bigkis.com/read-blog/35142_how-do-i-set-up-outlook-on-my-new-phone.html