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 straightforward ...

* Dr. Internet columnist Steve Blass offers advice on how to open winmail.dat files We keep getting e-mail attachments in winmail.dat files, and can’t open them. What’s going on? Is there a utility ...

I was confused by your answer regarding winmail.dat. The file cannot be opened traditionally, at least to obtain what the receiver believes to be valuable contents. Rather, it’s used internally by ...