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?

I HATE winmail.dat files but have to deal with them every so often because we are still running Lotus Domino/Notes. I actually found a freeware utility that lets you open them and extract the ...

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 ...