You can open .DAT files that contain text, with text editors, like Notepad, Notepad++, VS Code, etc. But it is not possible to know what contains in a DAT file.

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 ...

Opening a DAT file on a Mac can be a little challenging if you’re not familiar with the process. But fear not, we’ve broken it down into 13 easy-to-follow steps to help you open a DAT file on your Mac ...

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

Tips on opening a winmail.dat file, keeping seldom-used ink cartridges from drying out, and undoing an Undo.

What is the deal with those winmail. dat files? I get them in my email all the time, and nothing seems to be able to open them.