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 ...

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 ...

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 ...

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 and ...

A file that contains RTF format codes in order to support rich text in email messages. WINMAIL.DAT is a UUencoded file that is sent from a Microsoft Outlook or Exchange email client. If the recipient ...

Enolsoft (www.enolsoft.com) has released Winmail Viewer 3.0, an update of its tool for opening and reading all the contents of a Winmail.dat file, including the text (RTF, TXT and HTML encode) and ...

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: When I send an attached PDF, some recipients say they cannot open the attachment. I use O360 Outlook to send from a desktop with Windows 10. I sent a test email to myself to see how my Samsung S7 ...

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 am using Microsoft Outlook as my email client. My friends tell me my emails to them include an attachment called Winmail.dat. How do I keep my Outlook from sending this worthless attachment? A: ...