I'm guessing / assuming you are using heading styles to create your outline and TOC
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The body text is probably using a heading style. Change it to your default body text, ie "normal", <CTL><N> shortcut, and rebuild the whole TOC.
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Here are some articles about doing Outlining in Word.
@ Understanding Outlining in Wordhttp://wordribbon.tips.net/T005968\_Understanding\_Outlining\_in\_Word.html
Remember when you needed to create outlines for your writing when you were in school? Word includes outlining capabilities that can make it easy for you to organize your thoughts and improve your writing**.**
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**Creating a Table of Contents from Heading Levels** / Controlling the Number of Heading Levels in a TOC 2017 07 01https://wordribbon.tips.net/T005950_Creating_a_Table_of_Contents_from_Heading_Levels
If your document is any length at all, adding a table of contents is a nice touch. This tip demonstrates how easy it is to create a TOC based on the headings in your document.
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Changing a Heading to Body Texthttps://wordribbon.tips.net/T005335_Changing_a_Heading_to_Body_Text.html
When working on an outline of your document, you may want to demote a heading so that it is treated just like your body text. This is easy to do using the tools on the Outlining tab of the ribbon
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@ Use Outline View to manage headings and arrange text – Keyboard & Mousehttps://support.office.com/en-us/article/Use-Outline-View-to-manage-headings-and-arrange-text-5e4c6831-b495-4aec-a7b8-7899b0ffda04
Word for Office 365 Word 2019 Word 2016 Word 2013
Outline View helps you manage a document’s structure and headings without getting lost in the text. In Outline View (click View > Outline), you use Outline Tools to move and edit headings, change heading levels, and move text around. You can also control how much detail you see.
Navigation- **Controlling the Outline in the Document Map**
https://word.tips.net/T001222_Controlling_the_Outline_in_the_Document_Map.html
When you display the Document Map, you are essentially looking at an outline of the document at the same time as you continue to work in that document. You have complete control over the level of detail displayed in the Document Map.
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Navigation- Making Custom Heading Styles Appear in the Navigation Panehttps://wordribbon.tips.net/T013662_Making_Custom_Heading_Styles_Appear_in_the_Navigation_Pane.html
Creating styles for your documents is a powerful way to format them. How do you get paragraphs formatting with those styles to appear in the Navigation pane, though? This tip shows you how.
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Navigation- **use the Document Map in Microsoft Word** **** 2010 08 07
https://shaunakelly.com/word/numbering/documentmap.html
The Document Map shows an overview of your Word document. It lets you navigate rapidly. It’s most useful when you’re working on a big document. Here’s how. Shauna Kelly
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@ **Navigating Your Document Using Outline View**http://wordribbon.tips.net/T010395_Navigating_Your_Document_Using_Outline_ View.html
When you need to get around a long document, a really helpful method is to use the Outline view built into Word. This tip explains how this view can make your navigation tasks easier.
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