The filename appears to be a specific identifier for a video asset, likely part of a curriculum, training series, or digital library. Without access to the specific database or platform it originates from, I cannot "play" the file or see its unique contents directly.
Are you seeing this in a course like Coursera, a company portal, or a specific YouTube playlist? btb_07_0120.mp4
Look at the names of the files immediately before ( btb_07_0119 ) and after it ( btb_07_0121 ) to establish the subject matter. The filename appears to be a specific identifier
Some internal stock libraries use these alphanumeric strings to track licensing and metadata for specific clips. How to Find the "Solid Content" likely part of a curriculum