not able to open .HDD file extension (video file)

[s4sandy]

please can anyone tell me how to open .HDD file format.
some days back my hard disk crashed. when i recovered my data
specifically video file, it is showing video.hdd and could not open in window
media player or VLC.

please help me out.

regards

 

[cflusflwfl]

I have never seen a .hdd video file. That extension is usually for virtual disks.