Microsoft Teams Services
Microsoft · cc15fd57-2c6c-4117-a88c-83b1d56b4bbe
- Application ID
cc15fd57-2c6c-4117-a88c-83b1d56b4bbe- Application
- Microsoft Teams Services
- Vendor
- Microsoft
- Publisher
- Microsoft first-party
- Uses EWS
- Yes, per a public source
- EWS status
- Migration announced
- Vendor notice
- https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/deprecation-of-ews-exchange-online
What to do
Teams back-end services call EWS for calendar and free/busy data. Microsoft says it is removing EWS dependencies from Teams; keep Teams clients current.
Sources
- merill/microsoft-info, MicrosoftApps.csv (MIT), origin Graph, read 2026-10-14
- Control EWS in Exchange Online (icewolf blog) (2025-04-10), read 2026-10-14
- https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/deprecation-of-ews-exchange-online, read 2026-10-14
Last updated 2026-10-14.