Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

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From Innovation to Enterprise Trust with Microsoft Agent 365
Nov 18, 2025
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From Innovation to Enterprise Trust with Microsoft Agent 365

Nirav Shah
Nirav Shah

Agent 365 serves as the control plane for agents, providing organizations with a centralized location to manage agent identity, policies, observability, and lif...

Microsoft 365 DeveloperMicrosoft 365 Copilot

Latest posts

Announcing the public preview of To Do Tasks API
Dec 14, 2021
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Announcing the public preview of To Do Tasks API

Microsoft Graph team
Microsoft Graph team

At Microsoft Ignite 2021, we announced our private preview for the new Tasks API in Microsoft Graph. Today, we’re thrilled to announce the public preview of Tasks API on beta endpoint.

Announcing delta query support for the Microsoft Graph Assignments API
Dec 13, 2021
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Announcing delta query support for the Microsoft Graph Assignments API

Microsoft Graph team
Microsoft Graph team

We are pleased to announce that the Assignments API in Microsoft Graph now supports delta queries for certain education resource types such as educationAssignment and educationCategory.

Public preview of SharePoint Framework 1.14 – with updates for Viva Connections, Microsoft Teams and SharePoint
Dec 8, 2021
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Public preview of SharePoint Framework 1.14 – with updates for Viva Connections, Microsoft Teams and SharePoint

Vesa Juvonen
Vesa Juvonen

We are excited to announce a public preview of the SharePoint Framework (SPFx) 1.14 - with updates for Viva Connections, Microsoft Teams and SharePoint Online experiences.

Understanding Azure AD Single Sign-on for Microsoft Teams apps
Dec 7, 2021
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Understanding Azure AD Single Sign-on for Microsoft Teams apps

Bob German
Bob German

There is no single definition for SSO, which is part of the confusion. Learn about the SSO approaches used in the Microsoft Commercial Marketplace (app store) and within an app running in Microsoft Teams to help you get started building SSO for your Teams application.

Developing enterprise-ready Microsoft Teams apps with Teams ToolKit v3.0
Dec 2, 2021
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Developing enterprise-ready Microsoft Teams apps with Teams ToolKit v3.0

Tomomi Imura
Tomomi Imura

Learn about new features in the Teams Toolkit v3.0 to empower Microsoft Teams developers.

Let’s decode: Single Sign-on in Microsoft Teams tabs
Dec 1, 2021
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Let’s decode: Single Sign-on in Microsoft Teams tabs

Rabia Williams
Rabia Williams

Microsoft 365 Code | Decode is a series that focuses on breaking down topics for developers to understand concepts better. In this segment, Bob and Rabia decode single sign on (SSO) in a Teams tab app.

Go developers can now access Microsoft Graph with streamlined authentication and more
Nov 18, 2021
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Go developers can now access Microsoft Graph with streamlined authentication and more

Vincent Biret
Vincent Biret

Go developers can now integrate their application with Microsoft Graph via the new Microsoft Graph Go SDK.

Microsoft Teams development: All you need to know
Nov 18, 2021
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Microsoft Teams development: All you need to know

Rabia Williams
Rabia Williams

Microsoft Teams is the ultimate messaging app for your organization—a workspace for real-time collaboration, communication, meetings, and file sharing. You can extend your Teams app in multiple ways. This blog post explains how.

Developing real-time collaborative apps with Azure, Microsoft 365, Power Platform, and GitHub 
Nov 17, 2021
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Developing real-time collaborative apps with Azure, Microsoft 365, Power Platform, and GitHub 

Dan Wahlin
Dan Wahlin

Collaborative apps – apps built for a collaboration platform like Microsoft Teams, Slack, Google Workspace, etc. – are apps with collaboration at their core, designed for the flexibility of hybrid work. You can build collaborative apps with the tools you use every day and your existing development skills!Â