Outlook: Change how Shared Mailboxes are displayed in the folder pane

🚨 The Signal: Outlook for Windows will visually distinguish shared mailboxes from user mailboxes with a new icon and display method. This is a user interface change, not a security control change.

The Impact

End users are affected by a minor visual change in Outlook, with no direct security risk.

• End users: May experience brief confusion due to the new shared mailbox display.

Domain: M365-Apps · Impact: low · Workload: M365 Apps