The most interesting solution from a reader was to open the winmail.dat file in Notepad to identify the correct filename for the attachment, then re-name the winmail.dat file with the correct ...

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.

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.