Microsoft 365 Message Center Archive

MC1217615

New Content Moderation Settings for AI Prompts in Microsoft Copilot Studio and Power Platform

MC1217584

Windows Deployment Services (WDS): Hands-free deployment hardening (Phase 1)

MC1217507

The January 2026 Windows security update is now available

MC1217348

Updates available for Microsoft 365 Apps for all channels

MC1217155

Data Security Posture Agent is now available in preview

MC1217152

Tenant setting update: Copilot capacity designation enabled by default

MC1217141

Microsoft Purview eDiscovery | Direct export expiration change

MC1213779

(Updated) Introducing new tool to migrate content from Slack to Microsoft Teams

MC1191921

(Updated) New enrollment dashboard and data deletion controls in Teams Admin Center

MC1191342

(Updated) Microsoft Planner: Support for Microsoft Information Protection (MIP) content sensitivity labels

MC1188225

(Updated) Microsoft Edge for Business and Microsoft 365 Copilot: Introducing “What’s New” page after major updates

MC1187790

(Updated) Microsoft Outlook Mobile: Filter out declined meetings for a cleaner calendar view

MC1187401

(Updated) Microsoft dark themes for SharePoint sites

MC1173931

(Updated) Copilot Pages: New feature—M365 Copilot Chat can now answer questions about the currently open page

MC906502

(Updated) Microsoft Outlook: Automatically display automapped calendars

MC1216266

Microsoft Purview | eDiscovery Content Search case changes

MC1216196

Hardening changes coming to Common Log File System (CLFS) authentication

MC1215899

Updates available for Microsoft 365 Apps for Current Channel

MC1215836

Dynamics 365 Contact Center- Set least active assignment as default in messaging queues

MC1215830

Windows Office Hours: January 15, 2026

MC1215683

Power Apps – Deprecation of Preview Copilot Controls in Canvas Apps

MC1215681

Microsoft Dataverse - Ending Support for configuring Table‑Level Deleted-Records Keeping

MC1215073

Power BI Report metadata defaults to Power BI Enhanced Report format (PBIR)

MC1215070

Microsoft 365 admin center multifactor authentication enforcement

MC1214913

Get started with December 2025 improvements in Windows 11