I did a Google search of your heading, without the "Re:", and came up with a number of results.
Actually I changed the heading to "File Open Dialogue - How to change folder choices on the left".
The first hit seems interesting. Not a solution to your question, but a replacement for the Word "File Open" dialogue.
The web site is at;
Go see what you think of it
Does anyone know how to change the five locations on the left part of the dialogue box when you click "file-open" in most programs (like Word for example)? The current five are: History, My Documents, Desktop, Favorites, My Network Places. I want to put folders of my choice in there. Can anyone help?