In order to reduce load on the Blackboard servers, it is a good practice not to upload videos directly to Blackboard. Instead, all EKU users have an account on stream.microsoft.com where they can upload and share videos to other EKU users. This tutorial illustrates how to use this feature to embed video content in to your Blackboard course without hosting the videos on the Blackboard server.
First, go to stream.microsoft.com and click on the sign in button in the top right: