As a user, when creating a lengthy document in Microsoft Word, an index is a convenient tool for your potential readers. Normally, we get to see indexes in the backs of books. They allow readers ...

How to add an index to a Word document using index tags Your email has been sent A document’s table of contents is predictable and generally reliable. An index, on the other hand, can be helpful ...

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

In both cases, you selectively index the document to create multiple indices. I’ll be working in Word 2013 on Windows 7; I’ll supply instructions for earlier versions as necessary.