eM Client
eM Client · e9a7fea1-1cc0-4cd9-a31b-9137ca5deedd
- Application ID
e9a7fea1-1cc0-4cd9-a31b-9137ca5deedd- Application
- eM Client
- Vendor
- eM Client
- Publisher
- Third-party vendor
- Uses EWS
- Not known
- EWS status
- Moved to Microsoft Graph
- Vendor notice
- https://www.emclient.com/ews-retirement
What to do
Microsoft lists this as eM Client's application ID. eM Client 11 (8 October 2026) moves Microsoft 365 accounts from EWS to Graph; update every user to version 11 and keep this ID on EwsAllowedAppIDs until no user runs an older version.
Sources
- Manage app consent policies - Microsoft Entra ID (Microsoft Learn) (2026-08-28), read 2026-10-21
- https://www.emclient.com/ews-retirement, read 2026-10-21
Last updated 2026-10-21.