Build .NET apps with Microsoft Graph

This tutorial teaches you how to build a .NET console app that uses the Microsoft Graph API to access data on behalf of a user.

Note

To learn how to use Microsoft Graph to access data using app-only authentication, see this app-only authentication tutorial.

In this tutorial, you will:

Tip

As an alternative to following this tutorial, you can download the completed code through the quick start tool, which automates app registration and configuration. The downloaded code works without any modifications required.

You can also download or clone the GitHub repository and follow the instructions in the README to register an application and configure the project.

Prerequisites

Before you start this tutorial, you should have the .NET SDK installed on your development machine.

You should also have a Microsoft work or school account with an Exchange Online mailbox. If you don't have a Microsoft 365 tenant, you might qualify for one through the Microsoft 365 Developer Program; for details, see the FAQ. Alternatively, you can sign up for a 1-month free trial or purchase a Microsoft 365 plan.

Note

This tutorial was written with .NET SDK version 7.0.102. The steps in this guide may work with other versions, but that has not been tested.