Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
Featured posts
SharePoint Framework (SPFx) roadmap update – August 2026
SPFx 1.24 Beta 3 is now available, React 18 support is coming in 1.24, and a new Copilot Components preview program opens for customers and partners.
Building Agents for Teams: Managing the noise of collaboration
Most of us are familiar with one-to-one agent chats: private, direct interactions where rules are relatively simple. With only you and the agent, each moment ha...
Latest posts
Microsoft 365 Patterns and Practices (PnP) – December 2020 update
Summary of the updates in our Microsoft 365 Community - Latest samples, videos and other assets, including acknowledgement of the community contributors and companies which have been involved on our community efforts.
Announcing “Microsoft Graph Mailbag” Blog Series
Today we are announcing the start of the “Microsoft Graph Mailbag” blog series, where we’ll share insights, lessons learned, and useful samples for working with Microsoft Graph and related services.
Letsignit leverages the Outlook Add-ins Platform to manage email signatures
Today we'd like to introduce you to Sébastien Telouk who is the Vice President of Sales at Letsignit, an email signature management solution for Microsoft 365. He sat down with us to chat about how Letsignit has leveraged the power of Outlook Add-ins to bring their email signature management system to life. Tell us about Letsignit Letsignit is an Outlook Add-in that allows organizations to create and manage email signatures in a few clicks. This solution lets customers centrally manage all employee email signatures which saves time and keeps their brand image consistent. Users can also add promotional banners t...
Join us to learn how to build Teams apps together!
Join us on December 16, for a 2-hour live stream about developing apps for Microsoft Teams. We’ll explain what Teams apps are, how you can build them, and how you can integrate them with Teams.
Microsoft Search query API for Microsoft Graph is now Generally Available!
We’re pleased to announce that we’re making the Microsoft Search API in the Microsoft Graph available in v1.0
Announcing public preview of the Microsoft Teams Activity Feed API on Microsoft Graph
New Microsoft Teams Activity Feed APIs now available in preview on Microsoft Graph, developers can build and surface engaging, actionable content from their own apps in the Microsoft Teams Activity Feed.
New Microsoft 365 Patterns and Practices (PnP) team members
We are excited to welcome Luise Freese and Sébastien Levert to our virtual Microsoft 365 Patterns and Practices (PnP) team which leads the community engagement in multiple areas.
Increase customer trust with publisher verification
We have released official documentation on Publisher verification, which protects users from application-based attacks such as consent phishing.
How to create single sign-on authentication for tab apps with Microsoft Teams Toolkit for Visual Studio Code
We're excited to announce that with Microsoft Teams Toolkit for Visual Studio Code version 1.1.3, you’ll be able to create single sign-on (SSO) authentication with Azure Active Directory (AAD) for Teams tab apps directly within the toolkit