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  1. Microsoft 365
  2. Microsoft Graph
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Microsoft Graph is the unified API for modern work

Use the data and intelligence in Microsoft 365 to build apps that interact with millions of users.

Read docs

Rich context

Get rich context for your applications, such as who someone's manager is, whether they are out of office, or what documents they've been working on.

Deep insights

Access deep insights generated from usage patterns, such as trending documents, best team meeting times, or who people typically work with.

Real-time updates

Respond to changes in Microsoft Graph data in real time. Reschedule a meeting based on responses, notify others when a file is modified, or continue a process after it's been approved.

Broad reach

Build solutions that target enterprise users in Azure and Microsoft 365, consumers on Office Online (Outlook.com and OneDrive.com), or both.

90%
of all Fortune 500 companies have data in Microsoft Graph
200M
monthly active users on Microsoft 365 for business
35M
Microsoft 365 for business subscribers
18T
resources (emails, events, users, files, groups, and more) in Microsoft Graph

Get the latest Microsoft Graph news

Understanding Azure AD Single Sign-on for Microsoft Teams apps

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.

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Let’s decode: Single Sign-on in Microsoft Teams tabs

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.

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Go developers can now access Microsoft Graph with streamlined authentication and more

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

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Microsoft Teams development: All you need to know

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.

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

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! 

View blog
Breaking changes to attendance report in Microsoft Graph onlineMeeting API (beta)

Today, we’re announcing upcoming breaking changes for developers using the Microsoft Graph API to get online meeting attendance reports beginning November 19, 2021.

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Ignite 2021: Building apps for collaboration in a hybrid world

Welcome to Ignite 2021. This blog is a summary of the developer news for the Microsoft 365 platform in the new era of hybrid work. Learn what's new and be sure to read the entire thing to get it all!

View blog
View more
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Join the Microsoft 365 Developer Program

Get an instant sandbox, tools, and other resources you need to build solutions for the Microsoft 365 platform, including:

  • A free Microsoft 365 E5 developer subscription, preconfigured with sample data, including Teams data
  • Microsoft Graph users, mail, and calendar, Teams, and SharePoint Framework sample data packs
  • Access to a community of Microsoft 365 experts
  • Personalized content recommendations
Join now

Supported languages and platforms

  • Android

    Android

  • Angular

    Angular

  • ASP.NET MVC

    ASP.NET MVC

  • iOS

    iOS

  • Java

    Java

  • JavaScript

    JavaScript

  • Node.js

    Node.js

  • PHP

    PHP

  • Python

    Python

  • Ruby

    Ruby

  • Windows Universal

    UWP

  • Xamarin

    Xamarin


* The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.

Partner solutions that use Microsoft Graph

Palo Alto networks
Lookout
Office at Work
Hyperfish
harmon.ie
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