Files that contain the .dav file extension are most commonly associated with video files that have been created by a variety of DVR365 digital video recorders.
These recorders capture video images that have been recorded by CCTV (closed circuit TV) cameras. The recorders and cameras are often used with one another by security departments or for home security purposes. The digital recorders that are hooked up to these cameras then save the videos in a modified MPEG file format.
The modified MPEG video files that are created are saved with digital recorders are saved with the the .dav file extension.
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If you have additional information about the DAV file format or software that uses files with the DAV suffix, please do get in touch - we would love hearing from you.