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 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 ...

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 ...

But if you’re not a Microsoft Outlook user, the files come over as an inaccessible winmail.dat files. There is software that will open such files — just search for Winmail.dat decoder.

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 ...

If you live in a world where you get email from Outlook users, and I think most of us do, you probably see the dreaded winmail.dat file on occasion. Outlook compresses all of its attachments ...

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 regularly receive winmail.dat files from business associates, Letter Opener is well worth the investment.

Though DAT files, which house data as the shortened name implies, are usually best left alone, here's how you can open them.

How to Open a DAT File in Word. File extensions usually tell your computer something about a particular file and how to open it. For instance, when the computer encounters a DOCX file, it will use ...