Microsoft is developing better manual threat hunting features for Office 365 Threat Explorer. The tool is available to Office 365 Advanced Threat Protection (ATP) Plan 2 customers. An email timeline will be available as part of the update to differentiate multiple events being triggered for the same malicious email. Microsoft also announced that changes designed to streamline Office 365 licensing technology for subscription-based Office clients will also be rolled out next month. Microsoft 365 is one of the offers available through the Microsoft 365 software bundle which also comes with two additional offers, namely Windows 10 and EMS.
Source: https://www.bleepingcomputer.com/news/security/microsoft-to-improve-office-365-malicious-email-analysis/