Dat files are generic files that can possibly contain text, graphic or other data. In order to open a .dat file you can try some of the following methods.
How to open .dat files
If it’s text that is stored inside the .dat file, then try to open it with a text editor program like notepad.
If it’s a graphic, try to open it with a graphic program.
If you don’t have a clue what is inside the dat file, you should give several programs a try to open the .dat file. The success rate however is very low and you will probably only see random characters when you open the .dat files. However, sometimes you will find programs that are dedicated to open special .dat files. One of those special .dat files is the file index.dat (continue below to open the index.dat).
How to open Index.Dat
There are some special .dat files on your PC that you might be able to read. For example the index.dat file is a hidden system file that logs all of your visited URL’s on your PC. Not bothering you? Well, if you are concerned about your privacy, because you share your PC with someone else, you should check out this Index.dat reader for Windows 7 & Vista
If you have a special .dat file that you would like to open, you can post the name of the file below and we will inspect it. However, most .dat files simply cannot be opened.