BitTitan and the EWS retirement
Microsoft Graph migration status from BitTitan's own notices. Last checked 2026-10-14.
MigrationWiz
- Status
- Migration announced
- Date
- 2026-10-05
- Vendor notice
- https://help.bittitan.com/hc/en-us/articles/51231888973467-Exchange-Online-using-Graph-API-Microsoft-365-to-Exchange-Online-using-Graph-API-Microsoft-365-Mailbox-Migration-Guide
“BitTitan is transitioning Microsoft 365 endpoint connectivity to Microsoft Graph API ahead of that deadline.”
Authentication Requirements for Graph API using the BT App (BitTitan Help Center) (2026-10-05), read 2026-10-14.
What to do. Mailbox projects can move to the new Microsoft 365 Graph API endpoints now. Archive, Public Folder and Microsoft 365 Group conversation migrations still use EWS, so keep the MigrationWiz EWS app ID on EwsAllowedAppIDs while those run.
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 BitTitan. 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.