Word doesn’t use the heading styles (whether built-in or custom) applied to the document’s headings to format a table of contents.

Inserting a table of contents in Microsoft Word provides an overview of the content. Here’s a guide on how to create a table of contents in Microsoft Word.

You can add a table of contents in Word to make your document look more professional and well-developed.

Word’s table of contents feature does a great job most of the time. However, when you have special requirements such as those described in this article, you might need to turn the custom options.