You can create & add a document outline in Google Docs using this guide. Difference between Table of contents & Document Outline explained.

Google Docs is the top online document editor, hands down. If you're working on document, you can quickly create an outline in Google Docs.

Without adding headings, you can't create an outline or table of contents in Google Docs. Headings let you easily jump through different sections or move straight to the summary in long documents.

Google Docs just made life easier for Android and desktop users, adding an outline feature that appears when you're scrolling through a document. The outline… ...

Google upgraded Docs for the web and Android today with the announcement of automatic outlines.