Create your document in Word. Then do File > Send To.
The layout won't be exactly the same, because HTML is not capable of the
fine details of layout that Word can produce.
However, bear in mind that lots of people set up their email systems so
that they read only plain text, and some email systems (especially lots
of corporate systems) don't render the HTML anyway. So these people will
not see your graphics and text laid out as you would like.