You can create levels of tables of contents from headings that have the preset Heading 1–Heading 5 styles applied to them, or from headings that have manually created styles applied to them.
To change the style of the headings that are used to create a table of contents level, follow these steps:
1.Open the Edit table of contents window in one of the following ways:
•Left-click the table of contents and on the Home tab, in the Contents group, click
Edit.
•Right-click the table of contents and run the Edit table of contents command from the context menu.
2.In the Edit table of contents window, in the line of the desired table of contents level, expand the style drop-down list.
3.Select from the drop-down list the style of headings from which to generate this table of contents level.
4.To close the Edit table of contents window, click outside the window or click the
button in its title bar.