2 Select underlined paragraphs, or select the whole document.

3 After selection, click the Start menu, find and click the underline symbol in the following command.

After clicking the underline symbol, the underline in the paragraph you just selected has been deleted. Of course, you can also use shortcut keys to quickly underline the selected text.

5 After selecting the text, press Ctrl+U on the keyboard, and the underline will be removed.