Update to Default blocked file types in Outlook web and new Outlook for Windows [MC1090702]

Update to Default blocked file types in Outlook web and new Outlook for Windows [MC1090702]

Message ID: MC1090702 As part of our ongoing efforts to enhance security in Outlook Web and the New Outlook for Windows, we’re updating the default list of blocked file types in OwaMailboxPolicy. Starting in early July 2025, the following file…
Microsoft Purview: Upcoming Update to Audit Records for Microsoft Purview Role Group Changes [MC1090695]

Microsoft Purview: Upcoming Update to Audit Records for Microsoft Purview Role Group Changes [MC1090695]

Message ID: MC1090695 To improve clarity and transparency, we’re updating the audit log messages for Microsoft Purview role group membership changes. This affects events under the SecurityComplianceRBAC workload (RecordType 87), specifically for the GrantPermission and DeletePermission operations. While the audit…
Now available: two new Copilot experiences

Now available: two new Copilot experiences

This week, we’re excited to announce the availability of two new Copilot experiences in Power BI. First, the Chat with your Data experience, which we announced two weeks ago at Build is fully rolled out. Additionally, Copilot is now supported…
Resharing to external users required after enabling Microsoft SharePoint integration with Microsoft Entra B2B [MC1089315]

Resharing to external users required after enabling Microsoft SharePoint integration with Microsoft Entra B2B [MC1089315]

Message ID: MC1089315 As part of our ongoing efforts to enhance security, we are making a critical change to how Microsoft SharePoint and Microsoft OneDrive integrate with Microsoft Entra B2B. This change affects how external users access previously shared content.…
Microsoft Teams: Support for making a silent test call [MC1089323]

Microsoft Teams: Support for making a silent test call [MC1089323]

Message ID: MC1089323 Coming soon: IT administrators will be able to run silent, synthetic Microsoft Teams call simulations to specific subnets—enabling proactive network readiness checks and early detection of issues before they affect users. This will ensure high-quality, seamless communication…