[computerworks]

...or, open document in Word and SAVE AS... a text file (.txt)

Then you can ATTACH the .txt file to a post, just like a picture.
This way it can be opened and/or downloaded.

Make sure the saved text file has the lines, etc. where you want them, since the conversion may mess up the formatting.
(if its a mess, just re-do the form in Notepad and save.)