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
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...

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
The new & improved Microsoft Graph To Do APIs are now in Public Preview
We’re excited to announce that APIs are now available in public preview on the beta endpoint of Graph.
What’s new for change notifications and change tracking in Microsoft Graph – August 2020
Change notifications uses webhooks to let applications get notified about changes in Microsoft Graph resource data, such as Outlook messages or OneDrive files. Change tracking uses delta queries to let applications discover newly created, updated, or deleted entities without performing a full read of the target resource with every request. Over the last few months, the Microsoft Graph team has delivered new capabilities to unlock new change notification and delta query scenarios for our customers. Change tracking for new entities v1.0 Delta query for service principals, and oAuth2PermissionGrant is now available ...
Announcing WebView2 for Office Add-ins Platform – Preview
We're excited to announce that we're taking the next steps in evolving the web viewer control used by the Office Add-ins platform for add-ins running on Windows.
Microsoft 365 & SharePoint Ecosystem (PnP) – August 2020 update
Microsoft 365 / SharePoint Patterns and Practices (PnP) August 2020 update is out with a summary of the latest guidance, samples, and solutions from Microsoft or from the community for the community. This article is a summary of all the different areas and topics around the Microsoft 365 and SharePoint community (PnP) during the past month.
Announcing General Availability of Single Sign-On (SSO) for Office Add-ins
We are excited to announce that the single sign-on (SSO) functionality for Office Add-ins is moving to General Availability with version 2008. This authentication service allows an add-in to automatically and securely sign in a user after being granted consent, providing a more convenient experience by reducing the number of times they are requested to sign in. SSO works with both work and school accounts as well as Microsoft accounts.
Let your users skip sign-in with Single Sign-On support for Microsoft Teams tabs
Developers can now build their apps to sign-in their users using the same account they are using to sign into Microsoft Teams -- giving users a more enjoyable and frustration-free sign-on experience and where they don't have to repeatedly enter their username and password each time they open the app.
Frictionless app development and enablement with the Microsoft Teams App Submission API
Streamline Microsoft Teams app staging and publishing with the Teams app staging and submission APIs now generally available on the Microsoft Graph v1.0 endpoint.
How to build a Blazor web app with Azure Active Directory authentication and Microsoft Graph
This step by step guide will help you build a Blazor web app with Azure Active Directory authentication and Microsoft Graph.
MSAL.js 2.0 is now generally available with support for authorization code flow
MSAL.js 2.0 supports authorization code flow for single-page applications with PKCE and CORS is now generally available.