How do you open .dat files win 7?

Hello,
How do you open .dat files win 7?

".DAT" is a generic file type that could have been created by a lot of different applications - so there probably isn't a specific program for it.

On my system I have a Notepad shortcut in the Explorer context menu that I use to look at generic files like this for which a specific program isn't available. You can set it up like this:

-> Start -> Type "shell:sendto" in the search box, hit Enter.
-> Right-click inside the Explorer window that opens and select "New -> Shortcut"
-> Type "Notepad.exe" for the location
-> Type "Notepad" for the name

Once you've done this, you can right-click any file in Windows Explorer and select "Send To -> Notepad"

Whether or not Notepad can display the file intelligibly depends entirely on what the file contains.

where did you get .dat file..
if it is an video file copied from disc

get KLite code pack to view with windows mediaplayer

http://www.codecguide.com/download_mega.htm
or get VLC mediaplayer

http://www.videolan.org/vlc/

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How do you open .dat files win 7?