1. Go to the References tab

2. Select Table of Contents to get a drop-down with different options for tables. The first 2 are automatic tables that will read the Heading Style of each section to determine what to include in the table of contents.

3. Styles are shown in the Home tab. Make sure you review your document and apply Heading Styles (1-3 by default) through your document to allow the system to recognize it when creating the table.

4. Once your Heading Styles have been applied, go ahead and choose an Automatic Table of Contents as explained before:

5. An automatic table will be created. The table can be updated every time to readjust Heading styles through the document by pressing Update table