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Office 365 - Mac Connectivity Problems

While using Outlook for Mac, you may notice that emails have stopped being synced and that Outlook is no longer connected to the Microsoft Exchange server.

When this happens, you will need to edit the server. Follow the instructions below to resolve this issue.

  1. In Outlook, go to "Outlook", and then "Preferences".
  2. Click "Accounts".
  3. Select your APSU email address if you have more than one account listed. Click "Advanced".
  4. Under the "Server" tab, delete everything in the first field and replace it with Click "OK".
  5. Close out of the "Accounts" and "Preferences" windows. Your mail should start syncing with the server.

If you need further assistance, please contact the Technology Help Desk at x4357 or email us at