Microsoft Graph allows developers to access Microsoft cloud services like OneDrive, Outlook, and Office 365 through a unified API. The document outlines how to set up an app registration in the Azure portal to access Microsoft Graph, including registering the app, specifying required permissions, and debugging potential issues like "bad request" errors during the login process. It also briefly introduces the OAuth2 authorization code grant flow used to authenticate users.
5. How to set it up?
New App Registration Portal
Office 365 App Registration
6. Register You App with Microsoft Graph
Here is where you register your App,
mind is called XOfficeApp. It return
you a ClientID .
Warning!!! You must copy and store
the Client ID value, because you wont
be able to retrieve after you leave the
page.
7. Requirements
You must have an Office 365 Business Account
You must have a Azure AD subscription associated with the Office 365 Business Account