Enter the text normally → Select all the entered text → Right click → Font → Advanced → Text Effect → Select "No Fill" to fill the text, and check the "Solid Line" check box of the text border to make the width as small as possible. Select Dashed Line as Dashed Line Type, and then click OK to exit the Text Settings dialog box. Looking at the original text again, I found that the dotted line effect has been presented;
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In fact, in word, if you want to mediate any element, as long as you find the corresponding attribute or right click in the toolbar, changing the attribute will have ever-changing effects. You can try more.