Some specific TOC effects can be achieved only by editing the TOC field that Word inserts.
My article on Customizing your table of contents with switches describes the specific switches that can be inserted in the field to achieve these effects.
Some instructions for Word 2007 and above are included in the topics below.
Issues peculiar to Word 2007 and above are discussed at the end of this article.
Because Word by default builds a TOC based on Words built-in heading styles, inserting a TOC will be most straightforward if you have used these heading styles in the way they were intended to be used: Heading 1 for the title of the highest division you want included (which may be a part, section, or chapter), Heading 2 for the title of the next-lower division, and so on.