Agent Builder in Microsoft 365 Copilot: Updates to the agent creation experience [MC1282682]

Message ID: MC1282682

[Introduction]

We’re updating the user experience in Agent Builder to make agent creation clearer, faster, and more intuitive. Based on customer feedback, these changes improve visual clarity and help users better understand how describing an agent, configuring it, and testing it work together—without changing how agents function or how they’re managed.

This update focuses only on the agent creation experience. There are no changes to agent capabilities, publishing behavior, or admin controls.

[When this will happen:]

• General Availability (Worldwide, GCC, GCCH): Rollout begins in late April 2026.

[How this affects your organization:]

Who is affected:

• Users who create agents using Agent Builder in Microsoft 365 Copilot
• This feature is available to those using Copilot Chat (Basic) as well as Microsoft 365 Copilot (Premium).

What will happen:

• Users can develop agents using natural language prompts, with guidance provided through an intuitive creation experience.

Screenshot 1: The Agent Builder landing page now shows templates and a list of existing agents, making it easier to start or reuse an agent:



Screenshot 2: The Describe and Configure panes are displayed side by side:



• Updates in the Describe pane automatically reflect in the configuration in real time.
• The configuration pane highlights what changed and why.
• Users can review how instructions evolve over time by selecting Show changes.
• Testing an agent is now accessed through a Try it toggle, allowing users to switch between configuring and testing before publishing.
• The feature is enabled by default and does not require admin configuration.

There are no changes to:

• How agents work once published
• Admin policies, controls, or permissions
• Existing agents or configurations

[What you can do to prepare:]

No action is required.

You may consider the following optional steps:

• Inform helpdesk staff that Agent Builder has a refreshed creation layout.
• Update internal training or documentation if you reference screenshots or step-by-step agent creation guidance.

Learn more: Build agents by using Agent Builder in Microsoft 365 Copilot | Microsoft Learn

[Compliance considerations:]

No compliance considerations identified, review as appropriate for your organization.

Source: Microsoft

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