Headings & Table of Contents
Table of Contents
One final benefit of using headings in your document is that you can also use your headings to create a Table of Contents for your document quickly.
In a long document, adding a Table of Contents will increase the accessibility and usability of your document.
Table of Contents & MS Word Online
Unfortunately, it is not yet possible to create a Table of Contents with MS Word Online, so you will need to create your Table of Contents on a locally-installed version of MS Word. For more information, see Microsoft's Create a table of contents. Links to an external site.