Teams admin center: Messaging safety defaults changing to “On” by default [MC1200576]

Teams admin center: Messaging safety defaults changing to “On” by default [MC1200576]

Message ID: MC1200576 [Introduction] We’re improving messaging security in Microsoft Teams by enabling key safety protections by default. This update helps safeguard users from malicious content and provides options to report incorrect detections, reducing risk and improving collaboration security. [When…
(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance [MC1134737]

(Updated) Microsoft Teams: Private channels increased limits and transition to group compliance [MC1134737]

Message ID: MC1134737 (Updated) Updated December 8, 2025: We have updated the timeline. Thank you for your patience.In response to customer feedback, we are introducing enhanced flexibility, greater scalability, and streamlined compliance management for private channels in Microsoft Teams. Note:…
(Updated) Microsoft Exchange Online: New Message Trace will be GA; legacy Message Trace will retire [MC1092458]

(Updated) Microsoft Exchange Online: New Message Trace will be GA; legacy Message Trace will retire [MC1092458]

Message ID: MC1092458 (Updated) Updated December 19, 2025: The tentative timeline for Public Preview of the new Message Trace support on Graph API has been delayed from December 2025 to now January 2026.This does not impact the deprecation timeline for…
(Updated) Retirement of several Microsoft Planner features in early 2026 as part of a Planner update [MC1193421]

(Updated) Retirement of several Microsoft Planner features in early 2026 as part of a Planner update [MC1193421]

Message ID: MC1193421 (Updated) Updated December 19, 2025: We have updated the content. Thank you for your patience.[Introduction] In early 2026, a major update of Planner will begin rolling out. This update will introduce several new capabilities. In addition, several…
Outlook: New and improved People Hub on Web [MC1199768]

Outlook: New and improved People Hub on Web [MC1199768]

Message ID: MC1199768 [Introduction]We’re introducing the new and improved People Hub in Outlook Web, designed to deliver a modern, multi-column contacts experience with fast search and a streamlined interface. We’re investing in fast, relevant search and modern contact management capabilities…
Learning Activities now available in Microsoft 365 Education and Copilot [MC1199766]

Learning Activities now available in Microsoft 365 Education and Copilot [MC1199766]

Message ID: MC1199766 [Introduction] Learning Activities is now available as part of Microsoft Education experiences. This feature helps educators and students transform passive content into active learning. With just a few selections, users can create engaging practice activities such as…