Outlook 365 Modern Authentication - Configuration Guide

The following steps can be used to setup Outlook 365 Modern Authentication

1. Navigate to https://portal.azure.com/#home
2. Be sure you are logged into an Admin account that has rights to edit and configure your organization's Azure account information
3. Click on Manage Azure Active Directory

• Click on App Registration

• On the App Registration page click on Add New Registration 

• In add new registration give the new registration a unique application name and under Redirect URI select Public client/Native(mobile, desktop) and urn:ietf:wg:oauth:2.0:oob in the text box. 
• Click Register

• Once you have registered the new application name, you will land on the App Registration Overview Page.
• Grab the following pieces of information:
• Application (client)
• ID Directory (Tenant) ID
• These pieces of information are needed for GradLeaders to finish setting up your integration).
• Now click on View API Permissions 

• For using EWS with OAuthNow click on Add Permission button. 
• This will open Request API Permissions in that look for Exchange and click on it, then click Application Permissions. Select full_access_as_app permission. 
• Grant admin consent to all four permissions (Calendars.Read, Calendars.Read.All, Calendars.ReadWrite.All, full_access_as_app).  Please note that the Admin Consent is required because there is no user interaction in the integration; it is all server to server communication. 
• Create a Client Secret 

Copy the value of the Client secret. At this time you are done configuring the Microsoft Graph app for OAuth.

Send the following pieces of information to GradLeaders Support (support@gradleaders.com) to finish your new O365 Integration:

• Client ID
• Tenant ID
• Client secret