File link is one the options that can be selected when embedding a video in the Manage Video tab of a session edit page, and it takes a URL that ends in a supported video file type.
Please note: When using File Link, video performance may vary depending on where files are hosted. Please consult with your account manager or project manager regarding which video streaming option is best suited for your event.
For more information on how to embed videos in sessions, please refer to this article: How to Embed a Video in a Session
See below for an example
Supported File Types