Authenticate EUM excelonlinebusiness API Connection

For EUM to be able to bulk import users, you will need to setup a Member type of user in your Azure AD and give it a Microsoft Office Online license.

After the user account is created, and Microsoft Office Online license provisioned for that user, follow the following steps:

1. Login to Azure Portal and go to the EUM Resource Group
2. In the Resource Group lookout for "excelonlinebusiness" API Connection and authorize it
   
3. Click "Edit API Connection"
   
4. Click "Authorize" and sign in with a user having Microsoft Office Online license
   
5. Click Save