.DAT is a commonly used file extension for saving generic data records. The information contained within a .DAT file depends on the program used to create it, but it will usually be in binary code or ...

DAT files are data files used to store information for various types of software. Different applications are used to store the information and, therefore, DAT files can be opened by more than one ...

.dat can mean many things. data of any type quite often ends up with these extensions. How about using the app that created them? You can also try viewing them in notepad.