Horizontal centre, or vertical centre?
To centre horizontally: select the text, go to the Home tab and click on the Center button in the Paragraph group, or use the shortcut Ctrl+E.
Screenshot 2024-10-12 133342.png
To centre vertically: go to the Layout tab and click the small icon in the corner of the Page Setup group to display the Page Setup dialog.
Screenshot 2024-10-12 133112.png
On the Layout tab of the dialog change the Vertical alignment to Center.
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