Microsoft is working on enhancing the notification system for quarantined malware or phishing messages for admins in all Microsoft 365 environments. The new feature will roll out to customers in early October. Microsoft is also rolling out better malicious emails analysis capabilities for Office 365 which were announced in late July. Microsoft 365 is part of the Microsoft 365 software bundle which also comes with two extra offers, namely Windows 10 and EMS (short for Enterprise Mobility + Security) The entire rollout process to be fully completed worldwide by the end of October 2019.
Source: https://www.bleepingcomputer.com/news/security/microsoft-to-improve-office-365-phishing-email-notifications/