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 ...

Is there a utility that can extract the attachments from these? When Outlook or Outlook Express users send e-mail composed using Rich Text Format, the attachments often get transmitted in winmail.dat ...

You can unzip a file on a Mac by double-clicking on it, or by right-clicking and selecting "Open." The unzipped file will expand its content into a folder on your ...