Microsoft is retiring the Sports Calendar feature in Outlook from early June 2025 to mid-June 2025. Users will no longer be able to add or update sports calendars. As an alternative, users can manually subscribe to sports calendars using the "Subscribe from web" feature in Outlook.
Applies to: Exchange Online · Microsoft 365 for the web · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).