Microsoft 365 Copilot will integrate past Copilot chats into Microsoft Search, allowing users to retrieve historical conversations from notebooks, agents, and the main chat via a new “Copilot Chats” data source in search results. This feature requires a Copilot license and rolls out worldwide from November to December 2025.
Microsoft 365 Copilot is adding voice chat across desktop, web, and mobile apps like Word, PowerPoint, and Outlook. Rolling out from November 2025 to January 2026, licensed users can have natural voice conversations with Copilot, with transcripts stored securely. No admin control to disable this feature.
The Copilot Chat entry point in Word, Excel, and PowerPoint will move from the ribbon to the document canvas starting December 2025. It includes contextual prompt suggestions, remains on by default, and requires no admin action unless adjusting the pinning setting for users without a Copilot license.
Microsoft Teams Queues app will introduce shared call history for queue members to view all call events. Rolling out January–February 2026, the feature is disabled by default and requires Teams Premium license and admin enablement. Tenant migration of call history is not supported initially.
Microsoft products like Outlook and To Do are transitioning to the cloud.microsoft domain by November 2025, with gradual automatic redirects and no required user action. Admins should update documentation, ensure network compatibility, and educate users. The new domain enhances security using Microsoft’s exclusive top-level domain.
We are announcing the ability to govern Copilot agent development in your environments and enforce governance policies for Copilot agents. This feature will reach general avaialability on December 21, 2025.
GPT-5 Model selector gives users more control over reasoning depth, enabling automatic reasoning for simple tasks and explicit control when desired. The three modes that are supported as part of GPT-5 are: Auto (default) – system decides how long to think, Instant (chat) – fast responses, thinking (reasoning) – longer thinking for better answers.
Enables users to schedule recurring prompts in the Web tab
Scheduling with Copilot: Users can now schedule meetings directly from chat. Simply ask Copilot to schedule a meeting with colleagues, and it will find available times, book rooms, draft agendas, and send invites—all within the chat experience. This feature will roll out in phases and is expected to be generally available in Copilot chat across all endpoints for users with a Microsoft 365 Copilot license in the coming months.
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