The .DAT file extension is widely used by different programs to store data. Because different programs use .DAT files in different ways, what you can do with the file depends on what program created it. In general, a good text editor like EditPlus is your best bet for vieweing and editing .DAT files.
Free programs to use file extension .DAT files:
EditPlus 3.10
can open, edit, create and print file extension .DAT files
