If you have been notified that your email account has been migrated by ITS from exchange hybrid, to Canisius Exchange online, a couple of changes are required to send/receive email on your apple device.
For the best experience, fastest set-up, and to take advantage of all that MS exchange has to offer, we highly recommend downloading the outlook Outlook app for macOS from the Mac App Store for macOS.
To set up on your apple device using the Mail App:
...