Shared mailboxes in the new Microsoft Outlook for Windows desktop will be displayed like accounts with a "Shared" icon. The rollout starts in May 2025 and completes by July 2025. The "Shared with me" section will be removed, and no admin action is required. Notify users and update documentation.
Applies to: Exchange Online · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).