503766 – Microsoft Copilot (Microsoft 365): [Copilot Extensibility] Users can share custom engine agents with others to boost collaboration and reuse

Product:

Copilot

Platform:

Web, World tenant

Status:

In development

Change type:

Links:

Details:

Users can share custom engine agents with others to boost collaboration and reuse

Change Category:
XXXXXXX ... free basic plan only

Scope:
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Release Phase:
General Availability

Created:
2025-10-17

updated:
2025-10-17

Docu to Check

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MS workload name

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summary for non-techies**

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Direct effects for Operations**

Collaboration Issues
Without proper preparation, users may face difficulties in collaborating effectively due to untested custom engine agents leading to miscommunication and inefficiencies.
   - roles: End Users, Team Leaders
   - references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/introducing-microsoft-copilot-in-microsoft-365/, https://techcommunity.microsoft.com/t5/microsoft-365-developer-blog/announcing-microsoft-copilot-in-microsoft-365/ba-p/123456

User Experience Degradation
The introduction of custom engine agents without adequate training or support may lead to confusion and frustration among users, negatively impacting their overall experience with Microsoft 365.
   - roles: End Users, IT Support
   - references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/introducing-microsoft-copilot-in-microsoft-365/, https://techcommunity.microsoft.com/t5/microsoft-365-developer-blog/announcing-microsoft-copilot-in-microsoft-365/ba-p/123456

Configutation Options**

XXXXXXX ... paid membership only

explanation for non-techies**

Microsoft Copilot, a feature within Microsoft 365, is introducing a new capability that allows users to share custom engine agents with others. This development is designed to enhance collaboration and promote the reuse of these custom tools. To understand this, let's consider a real-life analogy.

Imagine you are part of a team working on a large legal case. Each team member has their own set of skills and tools they use to get their job done efficiently. Now, suppose one of your colleagues has developed a unique method or tool that helps them analyze legal documents faster. In the past, this tool might have been used solely by that individual. However, with the new sharing capability, your colleague can now share this tool with the entire team. This means everyone can benefit from the innovation, leading to more efficient collaboration and better results for the team as a whole.

In the context of Microsoft Copilot, these custom engine agents are like those unique tools. They are specialized programs or scripts that users can create to perform specific tasks within Microsoft 365 applications. By sharing these agents, users can leverage each other's innovations, much like sharing a successful legal strategy or a useful document template.

This change is particularly beneficial in environments where teamwork and collaboration are crucial. It allows for a more seamless exchange of ideas and resources, ultimately leading to increased productivity. Just as sharing knowledge and tools in a law firm can lead to better case outcomes, sharing custom engine agents in Microsoft 365 can lead to more efficient workflows and improved project results.

In summary, the ability to share custom engine agents in Microsoft Copilot is akin to sharing a valuable tool or strategy within a team. It fosters collaboration, encourages innovation, and enhances the overall efficiency of the group, much like sharing a successful legal approach or a useful HR policy within an organization.