First, confirm if you are connected to the internet. Problem 24: The 'New' button does not work to create a New email (on Windows 8. Follow the steps below to add the account as IMAP in Outlook for Mac. Just as mentioned above, usually the Outlook email on iPhone not working is involved with random software glitches, network issue, and other malfunctions.
Outlook for Mac provides Exchange connectivity in a Mac environment.Probably not an iPhone issue, if the same issue appears in Outlook and OWA.Apple mail not working with outlook In the upper-right, search Exchange.