Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

Featured posts

Building Agents for Teams: Managing the noise of collaboration
Aug 13, 2026
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Building Agents for Teams: Managing the noise of collaboration

Lily Du

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...

Microsoft 365 DeveloperMicrosoft Teams
SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot
Jul 9, 2026
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SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot

Vesa Juvonen

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...

Microsoft 365 DeveloperSharePoint FrameworkSharePoint

Latest posts

Dec 3, 2020
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Join us to learn how to build Teams apps together!

Office Extensibility team

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.

Dec 2, 2020
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Microsoft Search query API for Microsoft Graph is now Generally Available!

Office Extensibility team

We’re pleased to announce that we’re making the Microsoft Search API in the Microsoft Graph available in v1.0

Dec 2, 2020
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Announcing public preview of the Microsoft Teams Activity Feed API on Microsoft Graph

Microsoft Teams team

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.

Dec 2, 2020
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New Microsoft 365 Patterns and Practices (PnP) team members

Microsoft 365 PnP Team

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.

Dec 1, 2020
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Increase customer trust with publisher verification

Office Extensibility team

We have released official documentation on Publisher verification, which protects users from application-based attacks such as consent phishing.

Dec 1, 2020
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How to create single sign-on authentication for tab apps with Microsoft Teams Toolkit for Visual Studio Code

Office Extensibility team

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

Nov 28, 2020
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CLI for Microsoft 365 v3.3

Microsoft 365 PnP Team

We've just published a new version of CLI for Microsoft 365 with commands for managing Microsoft 365 tenants and SharePoint Framework projects on any platform.

Nov 19, 2020
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Retiring Microsoft Graph notifications API (beta)

Office Extensibility team

We will retire Microsoft Graph notifications on February 1, 2021 to give customers who were potentially exploring using this service time to begin exploring Azure Notification Hubs instead. 

Nov 19, 2020
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Outlook REST API v1.0 deprecation update

Office Extensibility team

Today we are announcing that on April 30, 2021, we will fully deprecate the Outlook REST API v1.0 endpoint.