sidebar
Sidebars are the areas on the left and right side of your document that you can close and open as needed to access formatting controls, page thumbnails, and more. To open a sidebar, do any of the following:
Click in the toolbar, then choose Page Thumbnails or Table of Contents.
To close the left sidebar, click , then choose Document Only.
Click in the toolbar.
When is selected, the right sidebar shows controls for formatting whatever is selected in the document. For example, if text is selected, you see controls for changing the font, text size, or style. In a page layout document, if nothing is selected, the sidebar shows page layout controls.
Click in the toolbar. When is selected, the right sidebar shows controls for formatting the document, such as the page orientation and header and footer positions.
If either the Format or Document sidebar is already open, clicking its button again closes the sidebar.