Microsoft Defender for Office 365: New Quarantine release details
Microsoft Defender for Office 365 is rolling out new details on who or what is responsible for releasing a message from quarantine. The Release by field will be propagated with the email address of the user or admin responsible for the release. This will be available in the email summary flyout panel accessible from the Quarantine page. The release will be captured by the system. Admins should update their training documentation. The rollout will begin in late March 2024 and complete by late April 2024.