CalendarBridge and the EWS retirement

Microsoft Graph migration status from CalendarBridge's own notices. Last checked 2026-10-25.

CalendarBridge

Status
Moved to Microsoft Graph
Date
2026-08-21
Vendor notice
https://help.calendarbridge.com/tips/ews-retirement-calendar-sync/
“CalendarBridge does not need an entry in your EWSAllowedAppIDs allow list”

EWS Retirement and Calendar Sync - CalendarBridge Help (2026-08-21), read 2026-10-25.

What to do. CalendarBridge connects to Microsoft 365 through Microsoft Graph, so its sync needs no EWSAllowedAppIDs entry and no change for the EWS dates.

Get an email when CalendarBridge's status changes

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

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.