From : Blog Entry>>ILTA’s Blog Entry
Use the Navigation pane in Word To go to a page or a heading in a Word document without scrolling , use the Navigation pane. To open the Navigation pane, press Ctrl+F, or click View > Navigation Pane .   Browse by headings If you’ve applied heading styles to the headings in the body of your document, those headings appear in the Navigation pane. The Navigation pane doesn’t display headings that are in tables, text boxes, or headers or footers. In the Navigation pane, click [More]