Build the future of productivity, collaboration, and communication with intelligent experiences that extend Microsoft 365. Extend, enrich, and customize Microsoft 365 Copilot Agents expand your organization's AI-powered productivity, skills, and creativity Reimagine everyday collaboration in meetings, chats, and calls With Teams, you can build collaborative apps that make communication seamless, connected, and intelligent. Power your app with data and insights from Microsoft 365 Access rich, people-centric data in the Microsoft Cloud via a single endpoint with the Microsoft Graph REST APIs and SDKs. Build immersive experiences for the workplace Create new customized, multi-user experiences to help virtual meetings and events feel more like face-to-face connections. Now, you can bring your 3D world-building skills to the global workforce, helping connect like never before. Join our programs

Microsoft 365 Technology Adoption Program (TAP) Learn about upcoming roadmaps, share feedback on work in development, and engage with Microsoft 365 product groups. Join the Microsoft 365 Developer Program Get resources and information to help you build solutions for the Microsoft 365 platform, including recommendations tailored to your areas of interest. You might also qualify for a free, renewable developer subscription that comes configured with sample data. Connect with our community Don't reinvent the wheel. Learn, share, and contribute with others to build apps for the Microsoft 365 and Teams platform. Get the latest Microsoft 365 developer platform news Pre-authenticated (tempauth) URLs are retiring: move to Microsoft Entra ID tokens before April 1, 2027 SharePoint Framework (SPFx) roadmap update – September 2026 Bring your plugin to Microsoft Copilot with Work IQ Developer Tools Join the Copilot Dev Camp Summit Fall Edition on September 30