MC278894 – Microsoft is working on creating consistent reporting experiences for customers, and as a result they are retiring the standalone spam detections report. A new Spam detections report view will now be available in the Threat Protection Status report.
Key points
How this will affect your organization:
Admins should note that the Get-MailDetailSpamReport standalone cmdlet will be retired and replaced with Get-MailTrafficATPReport and Get-MailDetailATPReport cmdlets.
Old Standalone Spam Report
New Spam Report Views
What you need to do to prepare:
Admins should update their report settings to start using the new cmdlets to properly view spam reporting that will be available in the threat protection status report.