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 ...

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 ...

I've got a few users that are now reporting that emails being sent out are showing up as winmail.dat attachments. This had been fine, and we switched over to Office 365 recently (in the last month), ...

OK we have a client that we moved to exchange and now one user has winmail.dat attachments on anything she sends that has an attachment. It seems as if some people only get the winmail.dat attachment ...

QSome of my buddies' e-mails show up with an unopenable attachment called "winmail.dat." Am I at fault, or are my friends? AYou can blame your pals, but the responsibility properly falls on Microsoft, ...