The User Configuration API is now available in the beta endpoint in Microsoft Graph. Use it to create, read, update, and delete user configuration objects in Exchange Online mail folders.

We are happy to announce the launch of Export-Import APIs in limited Public Preview (Beta), a set of Microsoft Graph APIs that empower applications to discover, export and import contents from Exchange Online mailboxes in full fidelity.

Rich notifications for Outlook, now available, are a feature that let you receive notifications that include resource change data.