I'm receiving attachments named "winmail.dat," and I can't open them. How do I fix this?
The sender is using Outlook or Outlook Express. To fix the problem they should set their mail software use Plain Text instead of Rich Text and then resend the attachment. This problem is discussed in Microsoft Knowledge Base article 278061, found here: http://support.microsoft.com/default.aspx?scid=kb;en-us;278061

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