There's not one, but two easy ways to insert a horizontal line into a Word document.

There are several different types of lines you can insert in a Word document with simple keyboard shortcuts.

Add a vertical line in Microsoft Word to draw attention to special content or help define elements.

How to Make a Solid Line in a Microsoft Word Document. When it comes to business documents, it's not just the content that matters. Their layout and general appearance is also important, both to ...