If there's anything that drives Mac users into a frenzy, it's those winmail.dat files that can show up in Apple Mail when they receive email from colleagues or friends using Microsoft Outlook. Winmail ...

There are loads of file types swimming around our computers at any given time — most of which exist to supplement the programs we use or play (or allow them to function in the first place). The most ...

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 together ...

Letter Opener converts winmail.dat attachments on the fly, so you can actually see and use the attachments the sender intended you to have. [Editor’s note: The following review is part of Macworld’s ...

If you're having trouble opening a DAT file, I'll show you a simple and free way to do it. This method works on both Mac and PC. Just open your browser and go to winmaildat.com. It's a straightforward ...

We’ve all seen mysterious .dat file attachments in our inboxes from time to time. In most cases the .dat attachment originates in Microsoft Outlook, which produces outgoing messages using a slightly ...

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 various ...