Getting attachments from Exchange Managed API using ASP.NET Core
问题 I am in the process of building an Outlook Add-In that authenticates to an external API that is also in my possession. For one of my functions, I am sending a list of attachment IDs from the add-in to the API. I can then use these IDs to get the corresponding attachments from Microsoft's Exchange Managed API. The issue is that because I'm using .NET Core, the recommended libraries are lacking the necessary functionality needed to access the attachments. Here is some code that I am trying to