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.
We are updating the entry point user interface for Copilot Chat. The Copilot Chat entry point button will move out of the app ribbon to the app canvas to help with discoverability and use within the context of the file. This update will apply to Microsoft 365 users of Word, Excel and PowerPoint who are eligible for Copilot Chat across web, mobile and desktop.
We’ve released updates to the following update channel for Microsoft 365 Apps:
Microsoft 365 will update the Access Request and Access Denied pages with modern visuals, animations, and clearer messaging for OneDrive and SharePoint access requests. The rollout begins January 2026, requires no admin action, and aims to improve user understanding without changing access policies.
Viva Engage in Microsoft Teams mobile will gain a new conversation search feature, rolling out from mid-November 2025 to early January 2026. This default-enabled update improves content discoverability on mobile, requires no admin action, and affects users accessing Viva Engage via Teams mobile only.
Starting December 2025, Viva Insights and Copilot Analytics user exclusions will shift from list-based management to Viva Feature Access Management (VFAM) policies. Existing exclusions migrate automatically; admins will use VFAM for future exclusions. No immediate action is needed, but admins should prepare for this update.
OpenAI’s Sora 2 video generation model is now integrated into Microsoft 365 Copilot for licensed Frontier users, enabling AI-generated 720p videos with synchronized audio. Videos are stored securely in OneDrive or SharePoint, with compliance, audit logging, and responsible AI safeguards in place. No admin setup required.
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