WinMail DAT Viewer Pro is the easiest, fastest, most reliable way to extract, view, and save the contents of winmail.dat files. It's completely frustration-free: just double-click the win mail.dat file and you're instantly presented with a list of its contents. Double-click the attached files to open them, or drag and drop them on the desktop. In most circumstances, you won't even need to leave your Mail program. Technical support is included, and our email response time is measured in lickety splits.
Note: Currently available for $1.99.