Which keyboard shortcut is used to underline text in most word processing applications?

The keyboard shortcut for underlining text in most word processing applications is Ctrl+U. This command is commonly found across various software like Microsoft Word, Google Docs, and other similar applications. When this combination is pressed, it activates the underline formatting for the selected text, allowing users to quickly enhance the visual emphasis of their documents without needing to navigate through menus.

Understanding how keyboard shortcuts work can improve efficiency in word processing, as it allows for faster formatting and editing. The other shortcuts listed serve different functions—such as bolding or italicizing text—but Ctrl+U specifically targets the underlining feature.