Microsoft 365 at Microsoft Build 2025: Copilot Gets Smarter, More Customizable, and More Collaborative

May 29, 2025

At Microsoft Build 2025, the future of work took another leap forward. Microsoft unveiled a powerful set of enhancements to Microsoft 365 Copilot, Teams, and Copilot Studio—centered around customization, collaboration, and control.

These updates are designed to help organizations build AI that truly understands their business, works across teams, and scales securely.

Microsoft Logo

1. Copilot Tuning: AI That Speaks Your Business Language

Microsoft introduced Copilot Tuning, a low-code capability in Copilot Studio that allows organizations to fine-tune AI models using their own data, workflows, and terminology—without needing data scientists. This means businesses can now create domain-specific agents that reflect their unique voice and expertise.

Key features include:

  • Low-code fine-tuning recipes for document generation, summarization, and expert Q&A.
  • Secure data handling with built-in access controls and no exposure of training data.
  • Integration with Microsoft 365 apps like Word, Teams, and SharePoint.

This makes AI customization accessible, allowing legal teams, consultants, and other specialists to create agents that think and write like their top experts

2. Multi-Agent Orchestration: AI That Works as a Team

Another major announcement is multi-agent orchestration in Copilot Studio. This allows multiple AI agents to collaborate on complex tasks—each handling a part of the workflow and passing results to the next.

For example:

  • A sales agent pulls CRM data.
  • A writing agent drafts a proposal in Word.
  • A scheduling agent sets up follow-up meetings in Outlook.

This orchestration is currently in private preview and represents a shift toward agent ecosystems that mirror real-world teamwork.

3. Copilot Studio Enhancements: More Power to the Makers

Copilot Studio also received several upgrades:

  • Agent Builder now supports embedded agents and richer controls.
  • Agent evaluation tools help makers test and refine performance.
  • New analytics dashboards provide insights into agent usage and effectiveness.

These tools make it easier for developers and business users alike to build, deploy, and manage intelligent agents across the Microsoft ecosystem.

4. Microsoft Teams: A Platform for Collaborative AI

Teams is becoming a hub for AI-powered collaboration. At Build, Microsoft announced:

  • Agent2Agent Protocol (A2A): Enables agents to communicate and share data securely within Teams.
  • Model Context Protocol (MCP): Lets agents access external AI services and tools.
  • Updated Teams AI Library: Simplifies building collaborative agents in JavaScript and C#.

Additionally, Copilot interaction export APIs are now available, allowing organizations to audit and analyze Copilot usage for compliance and security.

Chris Hinch

Chris Hinch

Microsoft Practice Director

Chris has been working in the IT industry for close to 25 years and is an expert Microsoft strategist and a technical leader. Chris is passionate about helping customers achieve their business goals and solve their challenges with innovative solutions. He enjoys working with talented teams and collaborating with partners across the globe.
Microsoft in 2025: What’s Brewing in Redmond

Microsoft in 2025: What’s Brewing in Redmond

The pace of Microsoft innovation hasn’t slowed in 2025. If anything, it’s accelerating. From new Copilot capabilities to deeper AI orchestration, Microsoft is clearly positioning itself as more than a productivity software company. It’s building a platform where AI is...

Think Fast, Act Faster: Incident Response That Works

Think Fast, Act Faster: Incident Response That Works

When a cyber incident strikes, the difference between calm, decisive action and chaotic cleanup often comes down to preparation. During ANM’s recent webinar, our experts Kevin Snoddy, Cybersecurity Solution Architect, and Agustin (Augie) Lozano, Solutions Architect,...

5 Ways Cisco XDR Transforms Incident Management

5 Ways Cisco XDR Transforms Incident Management

Security teams are under relentless pressure. Hybrid environments, multi-vendor stacks, and increasingly advanced attacks make it harder than ever for SOC analysts to keep pace. Traditional detection and response tools generate siloed alerts without context, leaving...