Custom Agents can be used from inside of Office Applications [Web]

November 12, 2025
Updates released between October 28, 2025, and November 12, 2025.

Copilot extensibility
Custom Agents can be used from inside of Office Applications [Web]

• Certainly! Supporting Custom Engine Agents inside Office applications offers numerous advantages that significantly enhance user experience and productivity. Firstly, it allows for highly tailored automation and customization, enabling users to create and deploy agents that cater specifically to their unique workflows and business needs.

This flexibility can lead to more efficient processes and reduced manual effort. Secondly, Custom Engine Agents can integrate seamlessly with existing Office functionalities, providing a cohesive and unified user experience. This integration ensures that users can leverage the full power of Office applications while benefiting from the specialized capabilities of their custom agents.

Additionally, these agents can help in automating repetitive tasks, improving accuracy, and freeing up time for more strategic activities. Overall, the support for Custom Engine Agents within Office applications empowers users to optimize their work environment, drive innovation, and achieve higher levels of productivity. Learn more.

Copilot Studio
Quarantine and block unsecured agents [Web]
Improve security and compliance by using PowerShell to quarantine Copilot agents that don’t meet policy requirements. This gives admins more control to prevent risks while investigating and resolving issues without disrupting business operations Learn more.

Excel
Build and analyze surveys with ease using Surveys Agent [Windows, Mac, Web]
Let Surveys Agent handle the heavy lifting—from writing questions to launching surveys and breaking down results. It's like having a professional researcher inside Copilot, helping you make quick, data-driven decisions. Learn more.

Microsoft 365 admin center
Block SharePoint agents from Agents and connectors page [Web]
Administrators have the ability to oversee SharePoint agents as shared applications within the Agents & connectors section (formerly known as integrated apps) of the Microsoft 365 admin center. They can access a list of all shared SharePoint agents and have the option to block or unblock agents from being utilized on M365 Copilot. Learn more.

New Enhancements in Organizational Data Ingestion in Microsoft 365 [Web]
Experience a powerful upgrade with new attribute access and mapping, connectors, and a dedicated admin role. Streamline data ingestion from multiple sources to Viva Insights and Glint, simplifying data management and enhancing workflow efficiency.

Microsoft 365 Copilot Chat
**RSVP status-based meeting search in Copilot Chat [Android, Windows, Web]
Roadmap: 499429**

Quickly find meetings based on RSVP status—either your own or others’. This feature helps you stay organized by surfacing RSVP details for upcoming events, so you can track commitments and follow up with attendees.

Try This: Open Microsoft 365 Chat.

Enter queries like:

1. “Meetings I accepted this week”
2. “Meetings I have not RSVPed this week”
3. “Who all have accepted the Scrum meeting?”
   View results showing RSVP details for yourself or attendees.

Business or Personal Impact:

Business: Improves meeting management and accountability by enabling quick visibility into attendee responses, reducing missed follow-ups.

Personal: Helps you stay on top of your schedule and commitments without manually checking each calendar invite.

Iterate on images with multi-turn editing [Windows, Mac, Web]
Copilot Chat now makes visual creation more flexible and intuitive. Upload reference images, edit them step by step, and maintain consistency across versions—perfect for refining designs for presentations, social posts, or print.

Updated UI for the Copilot Chat Navigation Pane in Teams [Web]
The navigation pane has been repositioned from the right side to the left, offering a more intuitive layout. Despite the shift, it continues to host agents and conversation history, ensuring continuity in user experience. This redesign introduces new features, including access to the "All Conversations" page, which provides a comprehensive view of chat history. The change aims to enhance usability and streamline navigation within Copilot Chat.

Microsoft 365 Copilot Studio
Upload up to 1000 files for SharePoint and OneDrive training [Web]
Makers can now upload up to 1000 documents per agent when building custom Copilot experiences—five times the previous limit—making it easier to create well-informed, specialized solutions. Learn more.

Outlook
Intelligent Draft Agenda with Copilot [Web]
Meetings are more successful with agendas. They align everyone on meeting goals, get the right people to attend, and keep discussions focused, leading to more productive and effective work. With Intelligent Draft Agenda, Copilot helps you create agendas for your meetings and streamlines your workday. When creating or editing an event in Calendar, Copilot will propose an agenda, ready for you to review, edit, and send as part of your meeting invite. Learn more.

PowerPoint
Create new presentations without overwriting your original [Windows, Mac, Web]
When you use Copilot to generate a presentation from an existing one, it now creates a separate file—keeping your original content safe for future use. Perfect for creating tailored decks without starting from scratch. Learn more.

Viva Insights
Copilot Chat (Web) in Teams & Outlook metrics [Windows, Web]
Copilot Analytics users can now view metrics about their Copilot Chat (Web) usage in Teams and Outlook. These updates enable users to better understand both active usage and action counts in Teams and Outlook and will be available in the Copilot Dashboard, as well as with additional query support. Learn more.