Inserting a file: In this example, I tired to use insert
 
Well, you can't use if some is already published it and using it, however you can have your won file, and let Expression web inset the contents of that file with simple mouse strokes. Create this document, note it has a screen shot too.

You will be able to incorporate the content of this document, it adds as RTF.

Since we did not save this page, you may see something like this

Let us save it in the folder "my_asp_net"

Run from the site(my_aspnet is configured here in a apache server, and I used index.htm, IIS user may use default.htm or along that line). I see an error in loading the image, this due the fact that the image in word document did not transfer in the folder, although you see an url

It could be due to the fact that it belongs to another application, did not create a copy, it will remain on Microsoft how to address it. I am not going to complain about it, since, once you are comfortable with the tools, it would be easier than swallowing a cake of your choice.

Let us copy the picture

Then paste on the page you have saved

Save the page and accept the image format.

You are in business.

Note the image appears, on the page we just edited