A small VBS script to create an Outlook Mail from an HTML file.

OutlookHtmlMail.vbs

' OutlookHtmlMail.vbs
' Open a new Outlook Mail with the content of the dropped HTML file copied verbatim.
' (c) 2007 Udo Schneider <Udo.Schneider@homeaddress.de>

Set fso = CreateObject("Scripting.FileSystemObject")
Set ts = fso.OpenTextFile(WScript.Arguments.Item(0))
strText = ts.ReadAll
Set outlook = createobject("Outlook.Application")
Set message = outlook.createitem(olMailItem)
With message
  .HTMLBody = strText
  .Display
End With