Workspace 365 and the EWS retirement
Microsoft Graph migration status from Workspace 365's own notices. Last checked 2026-10-25.
Workspace 365
- Status
- Moved to Microsoft Graph
- Vendor notice
- https://support.workspace365.net/en/articles/483186-microsoft-ews-api-deprecation
“Workspace 365 migrated to this on September 24, 2026.”
Migration within Workspace 365 from EWS to Graph API, read 2026-10-25.
What to do. Add the Contacts.ReadWrite, ProfilePhoto.Read.All and Mail.ReadWrite permissions to the SSO app registration in Entra ID. Some features are limited on Graph, such as the recipient suggestions when clicking To and sorting mail by To.
One email from ewsappid.com each time a status on this page changes, nothing else, and none after 1 April 2027. Every alert has an unsubscribe link; one press deletes your address, or write to support@ewsappid.com at any time. Sender details are on the contact page; see the privacy policy.
Application IDs
This site lists no fixed application ID for Workspace 365. Look up an ID from your EWS usage report on the home page, or find the name behind it in Entra, under Enterprise applications.
Every app in your tenant
The tenant plan reads your EWS usage report in your browser and matches each app against these statuses and your current allow list. All vendor statuses.