M365 Changelog: Microsoft Defender for Office 365: Safe attachment message disposition to be retired in June

MC250531 – Microsoft will retire the Safe attachment message disposition report from Microsoft Defender for Office 365 beginning June 14, 2021.

You are receiving this message because Microsofts reporting indicates your organization may be using the Safe attachment message disposition report.

Key points

• Timing: June 14, 2021
• Action: transition from the Safe attachment message disposition report to the Threat protection status report

What you need to do to prepare

Instead of using Safe attachment message disposition report, Microsoft recommend you use the Threat protection status report, which is where they will continue to invest their resources.

You might want update your training and documentation as appropriate.