What is a dv4 file and how do I open a dv4 file?
DV4 are recorded video files created by Bosch Security Systems closed-circuit television systems. They store video in a proprietary format, and are used for archiving and reviewing surveillance videos. DV4 files can only be played back using the Archive Player supplied with Bosch Security Systems.
Relevant dv4 file links:How to open dv4 file on Youtube
How to open dv4 file on Wikipedia
How to open dv4 file on Microsoft.com