We keep getting e-mail attachments in winmail.dat files and can’t open them. What’s going on? Is there a utility that can extract the attachments from these? When Outlook or Outlook Express users send ...

Q: Most of my e-mails from work come with winmail attachments. I have tried to open these files through multiple different programs, without success, on iPhone iPad, and my PC. How can I open these? — ...

Many times when receiving mail attachments with the new Exchange-enabled Microsoft Entourage v.X from Windows users, you will get a winmail.dat file that is inaccessible under Mac OS X. Alan Sill ...

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 ...

Is anyone else receiving winmail.dat attachments, instead of the real attachment since migrating to Exchange 2010? I've had MS give me 4 different kb's on it and none have resolve the issue thus far.

EDITOR’S NOTE: This article is an excerpt from Mac Annoyances , by John Rizzo (2004; reprinted by permission of O’Reilly Media). I can’t think of any technological innovation that has more potential ...