winmail.dat is sent from people using Microsoft Outlook as their email program. The file allows Outlook users to send Transport Neutral Encapsulation Format (TNEF) information along with the email so that it retains the look and feel of the document with formatting, fonts, and colors when its received by another Microsoft Outlook user. The file is attached to the email because the original sender is sending emails in Microsoft Outlook Rich Text Format instead of Plain Text format. How to Configure Outlook NOT to send Winmail.dat attachments Turn off Rich Text sending for messages in Microsoft Outlook -------------- next part -------------- An HTML attachment was scrubbed... URL: http://listserver.themacintoshguy.com/pipermail/g4/attachments/20050602/eacfd33f/attachment-0001.html