SyncPenguin and the EWS retirement
Microsoft Graph migration status from SyncPenguin's own notices. Last checked 2026-10-22.
SyncPenguin calendar sync
- Status
- Moved to Microsoft Graph
- Date
- 2026-08-06
- Vendor notice
- https://syncpenguin.com/blog/syncpenguin-is-moving-from-ews-to-microsoft-graph-api-what-you-need-to-know-in-2026/
“Once reconnected, that account will be running on the Microsoft Graph API”
SyncPenguin is Moving from EWS to Microsoft Graph API: What You Need to Know in 2026 (2026-08-06), read 2026-10-22.
What to do. Each connected Microsoft account has to be reconnected once (the RECONNECT button) to authorize the Graph connection.
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
98874266-492b-43c2-9259-6a1e9618c17cSyncPenguin calendar sync (app 1 of 3)af15e02e-df4e-4ea2-b8ae-19a9b7542a50SyncPenguin calendar sync (app 2 of 3)c3eebf7d-e7a6-4569-af78-f270f3221cc3SyncPenguin calendar sync (app 3 of 3)
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.