You will have to set up a multilevel list using styles in Word. See http://shaunakelly.com/word/bullets/...s20072010.html.

You may also want to take a look at http://shaunakelly.com/word/numberin...g20072010.html. The article uses the built-in headings as an example, but you should not do that, of course.

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Stefan Blom
Microsoft Word MVP

Microsoft 365 apps for business
Windows 11 Professional