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Microsoft Build 2025 was all about turning AI into a true teammate - one that’s smart, secure, and ready to work across your business. From Copilot Tuning to Power Platform upgrades, and from agent orchestration to enterprise-grade security, here’s your full recap of what’s new, what’s exciting, and what it means for you.
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AI at Work
Copilot Tuning: Train AI on Your Company's Knowledge
You can now fine-tune Microsoft 365 Copilot using your own internal data. This means agents can perform domain-specific tasks faster and more accurately, whilst incorporating your businesses style, structure, and expertise - in line with any prior work - and only people with access to the original data can use the tuned model. Rolling out in June for customers with 5,000+ Copilot licenses.
Smarter agents in Microsoft Teams
New tools for Teams developers include:
Agent2Agent (A2A) protocol for secure peer-to-peer communication: Developers can now build agents that communicate directly with one another using the new A2A protocol. This enables secure, decentralised exchange of messages, data, and credentials - without relying on centralised intermediaries - allowing agents to collaborate on complex enterprise tasks more effectively.
Updated Teams AI library for faster agent creation: A new version of the Teams AI library (in preview for JavaScript and C#) simplifies the process of building collaborative agents. It provides access to the latest capabilities and makes it easier to create custom agents that integrate seamlessly into the Teams experience.
Agentic memory for personalised, context-aware experiences: Agents in Teams can now recall past user interactions, enabling them to deliver more personalised and contextually relevant responses. This memory capability helps agents build continuity across conversations and tasks.
Automated agent validation for compliance and quality: Developers can now automate compliance checks to ensure their agents meet Microsoft Store policies and are optimised for high-quality performance - reducing manual review and accelerating deployment.
Adoption and engagement insights via Developer Portal: The Developer Portal now provides real-time analytics to help developers track agent adoption and engagement. These insights offer key metrics to refine agent behavior and improve user experience.
Meeting agents built directly from the meeting surface: Developers can now create agents specifically for Teams meetings - both private and group - directly from the meeting interface. These agents can also access meeting AI notes via the new Insights API, enabling richer, more informed interactions during and after meetings.
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Microsoft Copilot Studio: Build Agents Your Way
Pro-Code Tools for Developers
Microsoft 365 Agents Toolkit for Visual Studio: Now generally available, this toolkit brings together the Microsoft 365 Agents SDK, Azure AI Foundry, and TypeSpec for Copilot into a single, streamlined experience. It includes project scaffolding, testing, and publishing tools - all within Visual Studio - to accelerate enterprise-grade agent development.
Microsoft 365 Agents SDK: Also generally available, the SDK enables developers to build scalable, multichannel agents that can operate across more than 10 messaging platforms. It supports advanced customisation, seamless integration with Copilot Studio, and flexible deployment options for complex enterprise needs.
Microsoft 365 Copilot APIs: This suite of enterprise-ready APIs - including the Retrieval API (in preview) - allows developers to build fast, secure, and context-aware generative AI experiences using Microsoft 365 data. It supports retrieval, chat, and compliance capabilities to power intelligent, grounded responses.
Agent Store: Now generally available, the Agent Store features agents from Microsoft, partners, and customers. It offers personalised discovery and engagement across Microsoft 365 Copilot endpoints - including Copilot Chat - and recommends agents based on usage signals to boost productivity and collaboration.
Enhanced Power Platform connector SDK: In preview, this updated SDK helps developers build smarter Power Platform connectors more efficiently. These connectors consume structured data in a format that agents can easily read, understand, and reason over - improving how agents interact with enterprise data sources.
Bring Your Own Models (BYOM): Also in preview, BYOM support allows makers to use over 1,900 models from Azure AI Foundry in Copilot Studio. This enables the use of industry-specific and fine-tuned models for tasks like summarisation or scenario-specific prompting - all within the agent-building workflow.
Dynamics 365 data in Microsoft 365 Copilot: In private preview, Microsoft 365 Copilot users will be able to access insights from Dynamics 365 CRM - including sales, service, supply chain, and marketing data. Initial support includes key entities like Contact, Opportunity, Lead, and Account, helping agents deliver richer business context.
Low-Code Tools for Makers
Multi-agent collaboration with open standards: Agents built in Copilot Studio, Azure AI Foundry, or the Microsoft 365 Agents SDK can now work together as a team - discovering each other, negotiating tasks, and completing work using the Agent2Agent (A2A) protocol. This is in preview and supports secure, governed collaboration across platforms.
Model Context Protocol (MCP) support: Now generally available, MCP ensures agents have consistent, governed access to data and models. New MCP servers for Dataverse and Dynamics 365 (in private preview) extend this to core business systems.
Computer Using Agent (CUA) for UI automation: Available through the Frontier program, CUA enables agents to perform tasks across desktop and web apps using AI vision - ideal for automating repetitive work like data entry, document processing, and compliance checks at scale.
Expanded toolset for agent actions: In preview, Copilot Studio now supports a broader range of tools - including prompts, document processing, agent flows, REST APIs, and deep reasoning - giving agents more ways to understand and act on enterprise data.
Code Interpreter for advanced logic: Also in preview, agents can now write and execute Python code to perform complex tasks like calculations, analytics, and data visualisations - unlocking more advanced use cases.
Dataverse-powered knowledge and search: Dataverse search (GA) connects structured and unstructured data from Microsoft 365, Dynamics 365, Power Platform, and external systems like SAP and ServiceNow - enabling agents to reason across a unified, multilingual, and image-aware knowledge base.
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Microsoft 365 Copilot: Wave 2 Is Here
New Copilot App & Features
A redesigned Copilot app for human-agent collaboration.
A new “Create” experience with GPT-4o image generation.
Copilot Notebooks (GA): Turn content and data into instant insights and action.
Copilot Search & Memory: Rolling out in June.
Researcher & Analyst agents: Reasoning agents for work (Frontier program).
Copilot in Outlook
Smarter inbox navigation: Copilot now provides summaries of search results and attached files directly within emails. This helps users quickly understand the content of long threads or complex attachments without opening every message - making inbox triage faster and more efficient.
Context-rich meeting preparation: When preparing for meetings, Copilot surfaces and summarises relevant context, tasks, documents, and other resources tied to the meeting topic. This includes pulling in related emails, files, and calendar items - helping users walk into meetings better informed and ready to contribute.
Copilot Pages
Create and manage pages on the go: Users can now create new Pages directly from Copilot Chat on a mobile device with a single tap. These pages can be edited or shared immediately from mobile, or picked up later on the web - making it easier to capture ideas and collaborate from anywhere.
Turn pages into Word documents: While Pages are great for collaboration, sometimes you need a traditional file. With one click, users can now convert a Page into a Word document - bridging the gap between Copilot-generated content and formal deliverables or Word-based workflows.
Find and organise content faster: A new search and filter experience in the Pages module of the Microsoft 365 Copilot app makes it easier than ever to locate and manage your content - especially as the number of Pages grows.
Add interactive charts and code blocks: Users can now ask Copilot for responses that include visual or technical outputs - like charts or code - and seamlessly embed them into Pages. This makes it easier to turn insights into dynamic, easy-to-understand formats for sharing and reuse.
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Security & Compliance: Enterprise-Grade AI, Built-In
As AI adoption accelerates, so do concerns around data protection, compliance, and governance. Microsoft’s updates across Purview, Defender for Cloud, and Entra are designed to help organisations build and scale AI securely - without slowing innovation.
Microsoft Purview SDK (Preview)
Developers can now embed Microsoft Purview’s security and compliance features directly into AI apps using REST APIs.
What it enables:
Real-time classification of prompts and responses.
Alerts for sensitive data access.
Visibility for security and compliance teams.
Automatic protection against data leakage.
This helps organisations confidently scale GenAI while staying compliant.
Purview + Azure AI: Full Visibility into AI Interactions
Security teams now get native visibility into AI interactions across Azure AI workloads. Key capabilities (in preview):
Detect sensitive and unethical AI usage: DSPM for AI enables security admins to identify risks such as sensitive data appearing in user prompts and responses, or unethical AI behavior like harmful or violent content - across apps and agents built with Azure AI Foundry Services.
Understand user-level risk posture: Admins can view AI usage patterns by user risk level, helping them assess how AI is being used across the organisation and receive recommended actions to mitigate potential threats.
Respond to insider threats: With Insider Risk Management, admins can detect and act on risky behavior - for example, if a departing employee accesses a custom AI app and retrieves an unusual volume of sensitive data, alerts are triggered and access can be revoked using risk-adaptive controls.
Audit and govern AI interactions: All AI activity is logged into Microsoft Purview Audit. Compliance teams can apply Data Lifecycle Management policies, conduct eDiscovery, and investigate noncompliant usage - including harmful content - using Communication Compliance tools.
Defender for Cloud + Azure AI Foundry (Preview)
Defender for Cloud now integrates with Azure AI Foundry to provide runtime threat protection and posture insights. What’s included:
Security posture recommendations for misconfigurations and vulnerabilities.
Threat alerts for jailbreaks, data leaks, and wallet abuse.
15+ AI-specific detections powered by Microsoft threat intelligence.
Purview for Copilot Studio Agents (Preview)
Organisations building customer-facing agents in Copilot Studio can now monitor interactions with unauthenticated, external users.
Why it matters:
Further prevent exposure of sensitive data (e.g. investment records, client info).
Gain wider visibility into agent activity and potential risks.
DLP for Copilot Agents (Preview)
Microsoft Purview’s Data Loss Prevention (DLP) controls now extend to Copilot agents.
What it does:
Accommodates labelled content (sensitivity labels), such as internal-only or confidential, and prevents it from being summarised by Copilot.
Prevents sensitive content from being copied, pasted, or used in AI-generated responses.
Microsoft Entra Agent ID (Preview)
Every AI agent now gets a unique identity.
What it enables:
Admins can see all agents created in Copilot Studio and Azure AI Foundry.
Admins can understand what each agent can access.
Admins can now manage agent access & security, just like they can with "human" related identities.
Azure AI Foundry + Compliance Manager (Preview)
Azure AI Foundry now integrates with Microsoft Purview Compliance Manager to help developers meet regulatory requirements like the EU AI Act.
What it enables:
Generate compliance reports (e.g. DPIAs, AIAs).
Document risks, mitigations, and residual risk.
Share reports with compliance teams for audits or regulators.
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Power Platform: Build Smarter, Together
Power Apps
Solution Workspace: One canvas for everything. Now generally available, Solution Workspace is a unified development canvas where developers and makers can collaborate with agentic AI to define business requirements, generate data models, map processes (in preview), and design solution architecture. It brings together apps, flows, dashboards, pages, and Copilot Studio agents (GA May 30), making it easier to reuse existing assets and build from existing solutions.
Natural language to React code: In Power Apps Studio, developers can now use natural language to generate fully functional, generative pages with underlying React code. This feature, available in the Early Access Program, offers a faster, more intuitive way to build apps - combining the flexibility of code with the speed of AI assistance.
Agent feed: Human-agent collaboration hub: A new agent feed experience allows users to view, manage, and monitor agents within their apps. The feed keeps users updated on agent actions and guides them to relevant screens when human input is needed. Makers can configure agents to suggest actions based on historical data and current records, and empower business users to build their own templatised automations. This is available in the Early Access Program.
Code-first apps on Power Platform: Developers can now build apps using their preferred tools - like Cursor or Visual Studio Code - with full control over their code, and then bring those apps into Power Platform. AI assistants can help write code to interact with APIs, while developers retain full editing control. Once deployed, these apps can invoke flows or agents just like native Power Apps. This capability is also available in the Early Access Program.
Power Pages
Bring your own code with natural language: Makers can now bring their own code into Power Pages using third-party, next-gen code generation tools. This preview feature allows development through natural language, shifting the maker’s role from manual coding to guiding, testing, and refining AI-generated code - all while maintaining enterprise-grade standards.
VS Code integration for streamlined development: Power Pages now integrates with Visual Studio Code (in preview), allowing developers to preview and manage portals directly from their IDE. With built-in UI actions to run CLI commands and switch environments, this update simplifies the development workflow and keeps everything in one place.
Multilingual support for global reach: Now generally available, Power Pages expands its multilingual capabilities beyond the 45 previously supported languages. All out-of-the-box components - including forms, lists, multistep forms, and card galleries - now support content snippets for translation, making it easier to build localised websites in any language.
Agent integration for interactive experiences: Makers can now embed agents from Microsoft Copilot Studio into Power Pages (in preview). These agents can help users securely update Microsoft Dataverse records, perform tasks, or get answers via chat. Users can even switch between multiple agents on a single site - enabling rich, responsive, and secure interactions.
Client API support and intelligent list search A new set of client-side APIs (GA) makes it easier to interact with business rules in Power Pages. Additionally, a preview feature introduces intelligent list search and customisation using natural language - allowing users to query large datasets and tailor AI insights more intuitively.
Dynamics 365 + MCP Servers (Preview)
Dynamics 365 apps go MCP-native: Microsoft’s business applications are now MCP server-compliant, meaning they can natively participate in agent-driven workflows. This elevates Dynamics 365 apps to fully integrated components in the broader Microsoft agentic ecosystem.
Copilot Studio as a central MCP host: Copilot Studio will serve as a premier MCP host, allowing business agents to communicate with Dynamics 365 apps using standardised protocols. This simplifies how agents interact with enterprise data and services - all from a single orchestration layer.
Cross-app intelligence at scale: Enterprises running multiple Dynamics 365 instances can now orchestrate intelligent workflows that span across departments and systems. MCP compliance enables agents to reason across silos, unlocking new levels of automation and insight.
Simplified agent development: MCP standardisation removes complexity from building agents for Dynamics 365. Whether for internal use or customer-facing solutions, developers can build and deploy agents faster - accelerating time to value and reducing integration overhead.
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Wrapping Up
Microsoft Build 2025 wasn’t just about new features - it was about redefining how we work with AI. From smarter agents to secure, scalable platforms, Microsoft is building the tools to help every organisation - and every person - do more with AI.
Whether you're building, managing, or just exploring, the future of work is here. And it’s agent-powered. 💼✨
Do any of these updates spark your curiosity?
If you’re interested in any of these exciting Microsoft updates and want to see how they can improve your organisation’s productivity, security, management, or overall efficiency, don’t hesitate to Get in touch!
Our Microsoft experts are here to guide you through these new features and help you make the most out of them. Let’s work together to ensure your business is ahead of the curve!
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