Some folks will know it as a negative indent, but worry not, for both are one and the same thing. Now, as for what it does, well, it indents the first text in most situations instead of the first line ...

How to indent paragraphs in a Word document—the right way Your email has been sent Spaces and tabs might be the quickest way to indent a paragraph in Word, but you might be sorry. Instead, use ...

Three ways to display text in the margin of a Word document Your email has been sent You might think adding text to the margin of a document is a job for publishing software, but Word can handle it.