Lexprompt WRITE allows you to focus your search on one or more selected folders.

To select the folders for focused search, first click on the Setting tab.

Lexprompt WRITE control panel settings and options

Now, remove check marks from the folder you don’t want searched and add to those you do want searched.
You can expand the folder tree by clicking on the triangle to the left of the check box.
In the WRITE add-on for MS Word, you have the same folder tree and can the selections made in the add-on will match those in the control panel. See the tutorial on the add-on for more information.

Lexprompt WRITE folder selection in control panel