Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
Featured posts
Building Agents for Teams: Turning conversations into outcomes
The Microsoft Teams platform mission is to build the best collaborative platform in the world. We want to make it easy for developers to build agents that parti...
SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot
SharePoint Copilot Apps are now in public preview, introducing a new way to bring guided, action-oriented business experiences into Microsoft 365 Copilot. By co...
Latest posts
Build collaborative agents where work happens
At Microsoft Build 2026, we're announcing new investments to help your agents become teammates in everyday work, from new interaction patterns to streamlined tooling.
Frontier Tuning: Teaching AI to work the way you do
We're announcing the private preview of Frontier Tuning, a new approach to making AI work the way your business does by applying reinforcement learning inside your compliance boundary with your own data, processes, and conventions.
SharePoint Framework (SPFx) roadmap update – May 2026
SPFx is powering the future of Microsoft 365 with AI driven portals and deep integrations across SharePoint and Microsoft 365. The May 2026 update shares new features and the roadmap for the next evolution built for the AI era. This is a transparent community driven journey that we shape together based on your input.
General Availability of SharePoint Framework 1.23 – Advancing the modern developer experience
We are excited to announce general availability for the SharePoint Framework 1.23. We are rolling out new features in extensions, preview of new CLI and addressing known npm audit issues.
Announcing the public preview of the Microsoft 365 Copilot Agent Evaluations tool
The Microsoft 365 Copilot Agent Evaluations tool helps developers measure and improve the quality of agents they build for Microsoft 365 Copilot.
Announcing general availability of the mailbox import and export Microsoft Graph APIs
The mailbox import and export APIs on Microsoft Graph are now generally available.
Python support for the Microsoft Teams SDK is now generally available
Python developers can now build Teams-native apps and agents using the same SDK surface that powers modern Teams experiences across our TypeScript and .NET stacks
Sponsor group type requirements for agent identities
As part of moving to general availability (GA) for Entra Agent ID, agent identity objects will only accept dynamic membership groups and unified (Microsoft 365) groups as group-type sponsors.
From prompt to production: Teams agent setup, simplified
Learn how to use a coding agent to register and agent with Teams.
