Auto-forwarded messages report
The Auto-forwarded messages report in the mail flow dashboard displays information on messages that are automatically forwarded from your Office 365 organization to recipients in external domains.
Auto-forwarded messages details
When you click the number of messages in the widget, a flyout pane appears that shows the auto-forwarded message status. You can see the details by clicking the Forwarding Report link.
Two insights are generated based on the report data: New forwarding users and New forwarding domains. Each insight provides a summary of the number of new forwarders or domains with a link to the New Forwarding Report that provides more detail for the two types of data. The New Forwarding Report also shows a timeline view of new activity and the details table identifies who started forwarding and to which domains.