How to authorize service to use Microsoft Graph user account without user interaction?

Question

I want my server application to interact with it\'s own Excel files using Microsoft Graph. That is, the files belong to the application, not a particular user of the applica

Answer 1

The issue with this is due to permissions on the Graph API. The reason is since you are logged in under a specific user for the Microsoft Graph Explorer - you are able to see everything ... due to the fact you have authenticated as a single person ... the reason you see nothing is because the app-only permissions does not work.