Because of file size/storage limitations on Blackboard, we recommend using the Panopto Videos tool within Blackboard to upload any recorded videos to your course.
Steps to configure your Blackboard course for Panopto and how to make videos available to your students: https://spidertechnet.richmond.edu/TDClient/1955/Portal/KB/ArticleDet?ID=99972
Steps to upload previously recorded (Zoom) videos to Panopto Videos within Blackboard: https://spidertechnet.richmond.edu/TDClient/1955/Portal/KB/ArticleDet?ID=102051