Acronis and the EWS retirement
Microsoft Graph migration status from Acronis's own notices. Last checked 2026-10-15.
Acronis Cyber Protect Cloud (Microsoft 365 backup)
- Status
- Moved to Microsoft Graph
- Date
- 2026-10-01
- Vendor notice
- https://care.acronis.com/s/article/Migration-from-Exchange-Web-Services-EWS-to-Microsoft-Graph-API-for-Microsoft-365-protection?language=en_US
“Microsoft 365 organizations added to Acronis Cyber Protect Cloud/ Acronis Cyber Protect after July 13, 2026 are already using Microsoft Graph API.”
Migration from Exchange Web Services (EWS) to Microsoft Graph API for Microsoft 365 protection (Acronis Support), read 2026-10-15.
What to do. Mailbox backup moved from EWS to Graph, with the migration set to complete on 1 October 2026. A Global Administrator must grant the Graph permissions in the Cyber Protect Cloud console, once per app registration. Organizations added after 13 July 2026 already use Graph. Archive mailboxes are not mentioned.
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 Acronis. 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.