Microsoft 365 Message Center Archive

MC1193688

Planned Maintenance: Windows 365 Service

MC1193628

The December 2025 Windows security update is now available

MC1193465

Power Platform - New data request metrics for Power Platform Monitor and Power Apps Monitor for canvas apps

MC1193456

Power Platform – Power Platform Monitor Overview page and predefined alerts

MC1193419

Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions

MC1193412

Microsoft 365 Admin Center: Retirement of Technology Experiences score from Adoption Score

MC1193371

How to use Microsoft Intune to update expiring Secure Boot certificates

MC1191346

(Updated) Viva Engage: Update community cover photos in Teams for iOS.

MC1187676

(Updated) Learning agent in Frontier

MC1158908

(Update)Support for Events from email in Outlook is changing—Schema.org markup required for reliable calendar extraction

MC1134737

(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance

MC1085574

(Updated) Copilot Dashboard: Updated meeting metrics for Intelligent Recap

MC933531

(Updated) Microsoft Purview | Information Protection: Auto-labeling for Microsoft Azure Storage and Azure SQL

MC1192661

Workspaces in Edge: Upcoming migration to improved architecture

MC1192256

Microsoft Purview | Data Loss Prevention- Admin units support for Microsoft SharePoint Online

MC1192254

Microsoft Defender for Endpoint: New Microsoft Secure Score recommendations

MC1192251

Autocorrect in Microsoft Teams compose

MC1192217

Secure Boot AMA: Ask Microsoft Anything on December 10

MC1192178

New Windows Autopatch reports on CVEs

MC1192003

Microsoft 365 Copilot: GPT-5 Mode selector adds Auto, Instant, and Thinking modes

MC1191984

Updates available for Microsoft 365 Apps for Current Channel

MC1191944

Microsoft Excel: Insert Data from Image retires starting July 2026

MC1191924

Microsoft Entra ID: Enhance protection of the authentication experience by blocking external script injection

MC1191923

Microsoft Purview | Data lifecycle management – Auto archive for Exchange Online

MC1191918

Microsoft Purview | Information Protection – Email attachment preview in Activity explorer