Content Creation (Standard Authoring, Learning Authoring)
Currently, the file size limit per upload in Brainshark is 500 megabytes (MB). If your PowerPoint presentation is larger than 500 MB, you should break it down into smaller presentations and merge them together when they are all in Brainshark.
If you have a video that is larger, you may want to consider streaming that video from your server and adding the video as a URL slide rather than uploading the video as a file.
The Coaching application supports files up to 2.0 gigabytes (GB) in size.