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 ...

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.

We keep getting e-mail attachments in winmail.dat files, and can't open them. What's going on? Is there a utility that can extract the attachments from these?

If your e-mail program does not support this particular blend of RTF, you’ll end up with that danged .dat attachment–and no easy way to open it. You have a couple of options.

If you've ever received a forward from an Outlook user in Mail.app containing an attached winmail.dat file, you probably scratched your head wondering why this strange file ended up in your inbox ...

Many times when receiving mail attachments with the new Exchange-enabled Microsoft Entourage v.X from Windows users, you will get a winmail.dat file that is inaccessible under Mac OS X. Alan Sill ...

Is anyone else receiving winmail.dat attachments, instead of the real attachment since migrating to Exchange 2010? I've had MS give me 4 different kb's on it and none have resolve the issue thus ...