CompanionLink and the EWS retirement
Microsoft Graph migration status from CompanionLink's own notices. Last checked 2026-10-25.
CompanionLink
- Status
- Moved to Microsoft Graph
“CompanionLink v10 or higher is required for Graph Sync”
Setup Guide - Sync with Office 365/Office.com/Exchange using Graph API - CompanionLink Support, read 2026-10-25.
What to do. CompanionLink syncs with Office 365 and Exchange Online through a Graph API option that needs CompanionLink v10 or higher. Upgrade to v10 or later and choose the Graph API option in the sync setup.
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 CompanionLink. 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.