If you're having trouble opening a DAT file, I'll show you a simple and free way to do it. This method works on both Mac and PC. Just open your browser and go to winmaildat.com. It's a ...

Every data file on your PC should be associated with an application, so that opening the file will open the right program. But the official "right" program isn't always the right one for you.

I use notepad to open or edit .dat files associated with games. <P>Most official game sites want to sell you a book that will have the edit codes in them, but there's most likely a user site that ...

Change Association This Time Sometimes you may want to open a data file with a different program. To open a file by choosing the application, see Win Open With.