Just open your browser and go to winmaildat.com. It's a straightforward website that lets you upload and open DAT files without needing to sign up or provide an email.

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.

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.

What is the location of NTUSER.DAT file? Can you delete the NTUSER.DAT file? How does it work? This post answers all these questions and more.

Hey all, well this was kinda wierd...I popped in a VCD, "Once Upon a Time in China II" for those curious, and started playing it by opening up the .DAT (AVSEQ.DAT I think or something similar ...