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.

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

How to Convert DAT to Text in Excel. DAT files are files with an extension that isn't associated with a specific application or program and can be almost any type of file including video, media or ...