Quick Starton iphone APP store Download install the "Microsoft Outlook" APP then when prompted choose exchange and input your email address and password.
https://itunes.apple.com/us/app/microsoft-outlook-email-calendar/id951937596?mt=8Details (step by step w pictures)1) on new phone go to the apple app store search for "outlook" download and install the "Microsoft Outlook" APP2) on your iphone open the "Microsoft Outlook" APP and when prompted choose add an account then input your email address3) when asked what kind of account choose "Exchange"4) when prompted input your email address and password a description can be "work email" etc else or your email address again.