Open Outlook Settings
Profile picture→Settings ⚙→Add Mail Account→Add Email Account
Use the Outlook mobile app to send and receive directly from your business address.
Tap Continue or Sign In. If Outlook guesses the wrong provider, tap Not a ___ account? and select IMAP.
If Outlook shows one server box, include the port after a colon.
fusion.mxrouting.net:993993If shown separatelyfusion.mxrouting.net:587587If shown separatelyUse the account switcher to move between personal and work mailboxes.