Peter Phillips wrote:
Import messages into Windows Mail from Outlook Express:
http://windowshelp.microsoft.com/Win...7994f1033.mspx

NB: The above may not work properly for you. See the Windows
Mail-specific section of this page instead:
http://www.oehelp.com/backup.aspx

Peter Phillips wrote:
What's the best way of doing this so as to keep all the date and time
info recorded?

I found the answer at:

http://support.microsoft.com/kb/179637

You made no mention whatsoever of MS Outlook in this thread so I don't see
WTF KB179637 would provide any sort of "answer" unless you decided to
install Windows Live Mail in Vista.