My colleagues and I keep getting e-mail messages with the same attached file: winmail.dat. We thought the problem was related to the fact that we used Macintoshes but have since discovered that some ...

Reader Richard Shaffer is perplexed by the contents of his email. He writes: Some email messages I receive contain “winmail.dat” attachments. I can’t open these with any applications I own. Any ...

Q: I use Microsoft Outlook, but a lot of folks I send emails to do not. I get complaints from some of my friends (especially those that read my emails on their iPhones) that rather than message ...