Though DAT files, which house data as the shortened name implies, are usually best left alone, here's how you can open them.

Many users hit a wall when trying to use File History to transfer data files between Windows 10 installations. Learn how to avoid common stumbling blocks and make the process successful.

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 ...