The numbering used for the Heading 2 style is corrupt.
This looks weird:
S1266.png
Clicking Font... results in
S1267.png
The dialog does open, but it shows a font size of 0:
S1268.png
The Advanced tab of the Font dialog won't open at all.
You can repair this as follows:
- Create a new document.
- Set up multi-level numbering using the Heading styles, preferably the way you want it in the problem document.
- Include at least one Heading 2 paragraph.
- Save and close the document.
- In your problem document, activate the Developer tab of the ribbon.
- Click Document Template.
- Click Organizer...
- Your document will be on the left, and the Normal template on the right.
- Click Close File under the Normal template.
- Click Open File...
- Open the document that you just created (by default, Word will display only templates, but you can select Word Documents as file type).
- Select the Heading 2 style in the new document.
- Click <-Copy and confirm.
- Close the Organizer.
- If necessary, edit the Heading 2 style.
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