If you run into a conditional header or footer request that you can't handle, take a look at Word fields. They're not magic, but it kind of feels like magic when they do what you want.

Leaders offer a visual guide to information separated between the left and right margins of a document. Learn how to add them and how to avoid potential problems.

You don’t have to take up space in your document for details like title, author, or date. Here’s how to add and customize headers and footers in Word.