Formatting Issues

How to Fix an Empty Word Table of Contents After Updating

Maira Mehtab Sep 22, 2026 869 views

Question details

The user needs to restore their Table of Contents, which loses its entries and becomes empty after an update.

Product: Word
Device & OS: not provided
Scenario: Refreshing or updating the Table of Contents field in a structured document.
Observed behavior: The Table of Contents becomes empty upon updating because the document uses headings with an outline level (like Level 4) that exceeds the maximum levels (like Levels 1-3) the TOC is configured to display.

Before you start

Before adjusting your Table of Contents settings, enable formatting marks by clicking the 'Show/Hide ¶' button on the Home tab so you can easily verify which heading styles are actually applied to your text.

Solution 1Recommended

Adjust Table of Contents Settings to Match Document Heading Levels

Modify the TOC field settings to recognize and display the specific deeper heading levels used throughout your document.

By default, a Word Table of Contents is often set to display only Heading 1 through Heading 3. If your document primarily uses Heading 4 or lower, updating the TOC will result in an empty box. Expanding the accepted outline levels resolves this.

Open TOC Settings

Navigate to the 'References' tab on the top ribbon, click on 'Table of Contents', and select 'Custom Table of Contents' from the bottom of the dropdown menu.

Increase the 'Show Levels' Value

In the Table of Contents dialog box, locate the 'Show levels' setting in the bottom left corner. Increase this number to match the lowest heading level used in your document (e.g., set it to 4 or 5).

Apply and Replace

Click 'OK'. When prompted with 'Replace this table of contents?', click 'Yes' to rebuild the table with the newly included heading levels.

Successfully Updated: Your Table of Contents should now populate immediately with all the previously missing headings.

Solution 2

Change Document Heading Styles to Match the Default TOC

Reformat your document's text headings to fall within the standard Levels 1 through 3 that the Table of Contents is currently built to capture.

Solution 3

Remove Ordinary Body Paragraphs from the Table of Contents

Fix issues where regular body text appears in your TOC by removing accidental outline level formatting from normal paragraphs.

Easy Document Formatting

Easily Manage Tables of Contents with WPS Writer

WPS Writer provides an intuitive and simplified interface for managing document headings and auto-generating your Table of Contents. Avoid frustrating formatting mismatches with a clear Styles pane and one-click updates.

1. Apply Standard Headings: Open your document in WPS Writer, highlight your chapter or section titles, and simply click 'Heading 1', 'Heading 2', etc., directly from the Home tab.
2. Insert the Table of Contents: Navigate to the References tab, click 'Table of Contents', and select a built-in style to instantly insert the TOC into your document.
3. Customize and Update: If you add new sections or deeper heading levels, select 'Options' in the TOC menu to easily adjust visible levels, then click 'Update TOC' to refresh the whole document automatically.

Fully compatible with Microsoft Word (.docx) formats.One-click Table of Contents generation and updating.Clear, intuitive Styles pane for easy heading level management.Lightweight software that runs smoothly on all PCs.

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Frequently Asked Questions

Why did my Table of Contents disappear after updating?

This usually happens if the styles applied to your text have been removed, or if the heading levels in your document exceed the limit the Table of Contents is configured to show (such as using Level 4 headings when the TOC only captures Levels 1 through 3).

How do I update the entire Table of Contents in Word?

Right-click anywhere inside the Table of Contents box, select 'Update Field' from the menu, and choose 'Update entire table'. This ensures that both the page numbers and any newly added headings are fully refreshed.

How can I stop regular body text from appearing in my TOC?

Highlight the body text in your document, right-click, and select 'Paragraph'. Under the 'Outline level' dropdown, change it from a numbered level to 'Body Text'. Afterward, update your Table of Contents to remove the unwanted entry.

Can I include more than 3 heading levels in my Table of Contents?

Yes. Go to the References tab, click Table of Contents, and choose Custom Table of Contents. In the dialog box, simply increase the 'Show levels' setting to 4, 5, or higher depending on your document's outline structure.

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