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.

Q. I sometimes receive e-mail messages with a “winmail.dat” file attached that I cannot open. Why does this happen, and what can I do to fix it? A. The winmail.dat file usually appears because ...

Klammer helps you unpackage Winmail.dat and MSG files so you can get to the important content that is wrapped up inside them.

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 ...