Word lets you hide text so you can read or print your document as if the text isn’t there. This might seem pointless—why not just remove the text if you don’t want someone to read it—but hidden text does have some interesting uses. Let’s take a look at what hidden text is (and what it isn’t), why you might want to hide text, and how to do it.
Word hides text by using formatting marks—the same way you’d format text as bold or italic. Instead of removing the text, Word applies a formatting mark that means “don’t display this text.”