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For a dynamic table of contents, select Update Table on the References tab. For more info, see Add a dynamic table of contents.
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Select one of the following:
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Update page numbers only: To update pages, and not headings.
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Update entire table: To update the headings and page numbers.
Tip: To practice creating, customizing, and updating a table of contents, download Insert your first table of contents.
Position your pointer over the table of contents and select
Tip: For more detailed ways of updating the table of contents, you can use the Word desktop app. Select Editing > Open in Desktop. Don't have the Word desktop app? Learn how to Try or buy Microsoft 365.
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On the References tab, select Update Table.
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Choose one of the following:
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Update page numbers only: To update pages, and not headings.
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Update entire table: To update the headings and page numbers.