Microsoft 365 Message Center Archive

MC1194070

(Updated) Microsoft 365 Copilot: Declarative agents model upgrade to GPT-5.1

MC1193414

(Updated) Microsoft 365 Copilot: Add web links as references in Copilot Notebooks

MC1189911

(Updated) Microsoft 365 Copilot: New scheduled prompt features in Frontier tenants

MC1189656

(Updated) Upcoming Change to Teams Desktop Client on Windows

MC1188221

(Updated) Microsoft Teams: Interpreter agent support in Teams rooms on Windows

MC1182710

(Updated) Outlook for Android supports PDF attachment preview

MC1146821

(Updated) Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users

MC1139493

(Updated) Microsoft Teams Copilot without transcription becomes default for meetings - conversation history now persists

MC1127230

(Updated) Microsoft 365 Copilot: Content Sources in Copilot Chat

MC1090689

(Updated) Microsoft Teams: Enhanced peripheral data in Pro Management portal reports for BYOD spaces

MC1070854

(Updated) Microsoft Teams: Unified attachment flow on Teams Mobile

MC1194603

Manage version expiration for audio and video files in SharePoint Online

MC1187672

Get ready for security agents: Microsoft Security Copilot will be included in Microsoft 365 E5

MC1163753

Outlook on the web activity-based timeout is retiring

MC1151677

Updated Microsoft Defender Antivirus AVSignatureDue policy limit

MC1142855

Power Platform - IP firewall SPN filtering for application users is now available

MC677236

(Updated) Whiteboard: existing Azure board migration to ODB storage

MC1126234

Power Platform – Monitor the health of your resources

MC1124568

Microsoft Teams: Edit and manage Teams Town Hall instances in Microsoft Outlook

MC1217711

Updates available for Microsoft 365 Apps for all channels

MC1217651

Power BI: End of support for on-prem SharePoint web part

MC1217650

Microsoft Defender for Cloud Apps – Improvements to Microsoft 365 connector configuration page

MC1217649

Endpoint DLP-sensitive data alerting retiring in Defender; use Purview DLP

MC1217641

Microsoft Edge: Cross-platform policies in the Edge management service

MC1217640

Microsoft Purview | Information Protection - Content Explorer: Unscanned data and Classification History summary metrics