HubSpot and the EWS retirement
Microsoft Graph migration status from HubSpot's own notices. Last checked 2026-10-25.
HubSpot inbox and calendar connection
- Status
- Moved to Microsoft Graph
“If you're an IT administrator, note that HubSpot uses the Microsoft Graph API to integrate with your inbox and calendar.”
Troubleshoot Office 365 inbox and calendar connection errors, read 2026-10-25.
What to do. HubSpot connects Microsoft 365 inboxes and calendars through Microsoft Graph, so it does not depend on EWS.
Get an email when HubSpot'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
450987b3-a09a-4f14-9b2c-4f301d1e15f5HubSpot Sales (Office 365 inbox and calendar connection)
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.