(Updated) New features coming to Microsoft 365 Copilot Chat for Outlook, Word, Excel, and PowerPoint [MC1187671]

(Updated) New features coming to Microsoft 365 Copilot Chat for Outlook, Word, Excel, and PowerPoint [MC1187671]

Message ID: MC1187671 (Updated) Updated February 5, 2026: Agent Mode in Excel and Word are starting to roll out across web, Windows, and Mac and are expected to complete in the following weeks. Additionally, Anthropic has onboarded as a Microsoft…
Change meeting organizer via PowerShell cmdlet in Exchange Online [MC1227623]

Change meeting organizer via PowerShell cmdlet in Exchange Online [MC1227623]

Message ID: MC1227623 [Introduction]We’re adding a new PowerShell cmdlet that lets administrators change the organizer of an existing meeting or meeting series in Exchange Online. This feature supports continuity when a meeting owner changes roles, goes on leave, or is…
Microsoft Purview | Removing support for relaxed proximity matching in out-of-box sensitive information types [MC1227624]

Microsoft Purview | Removing support for relaxed proximity matching in out-of-box sensitive information types [MC1227624]

Message ID: MC1227624 [Introduction] We are updating Microsoft Purview’s out-of-box (OOB) sensitive information type (SIT) detection logic to improve accuracy and reduce false positives. As part of this update, the relaxed proximity matching behavior previously used in some OOB SITs…
Enhancing Model Context Protocol (MCP) based agents with rich interactive UI widgets support [MC1227627]

Enhancing Model Context Protocol (MCP) based agents with rich interactive UI widgets support [MC1227627]

Message ID: MC1227627 Introduction Model Context Protocol (MCP) based agents in Microsoft 365 Copilot Chat will now be able to surface rich, interactive UI widgets directly within chat. This enhancement enables developers to deliver more engaging and structured agent interactions.…
(Updated) Microsoft 365 Copilot: Graph APIs for agent and app management [MC1173195]

(Updated) Microsoft 365 Copilot: Graph APIs for agent and app management [MC1173195]

Message ID: MC1173195 (Updated) Updated February 5, 2026: We have updated the timeline. Thank you for your patience.[Introduction] We are introducing two new Microsoft Graph APIs that enable admins to programmatically access and manage agents and apps within their organization.…
Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Message ID: MC1184649 (Updated) Updated February 5, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] As part of the Microsoft Secure Future Initiative (SFI) and in alignment with the “Secure by Default” principle, we’re retiring the legacy…