On occasion you may receive a strange attachment in your email called Winmail.dat. When you try to open it Windows will not let you, and the person sending it to you has no idea what it is. Do not ...

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.

There is software that will open such files — just search for Winmail.dat decoder. And you can open them in Microsoft Word. But you’ll see only a bunch of gibberish.

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.

Q. I received e-mail from a relative that says it is in a winmail.dat file. When I try to open the file, I get a message that says something like: "You are attempting to open a dat file. They are ...