Skype Copy.nhb.mov Today
Record and play back a Skype for Business meeting - Microsoft Support
It could be a contemporary performance piece designed to be viewed as a "leaked" or "archived" Skype call. The portion of the filename is not a standard video extension (the file itself is a .mov ), but might stand for: National Theatre Board (or a similar arts organization) Skype copy.nhb.mov
Knowing if it was in a script , an art gallery , or a shared folder would help pinpoint the exact "piece" it belongs to. Record and play back a Skype for Business