Check out Word macros for displaying styles in the Styles pane by Mike Pope<mike@mikepope.com>. Here is an excerpt:
This is another in a series of blog posts about how I configure Microsoft Word, which I add here primarily for my own reference.
I often use the Style pane, and within that pane, I often want to change the styles that are displayed. Sometimes I want to see all the styles; sometimes just the…
The full article is available here.