Header and Footer

Top margin of each page is header, and bottom margin of each page is footer.

What is header-and-footer?

A header is content that is positioned at the top of a page, while a footer is content that is positioned at the bottom of a page.

How to remove header and footer in word?

Select Remove Header or Remove Footer from the Insert > Header or Footer menu.
Repeat this procedure for each part if your document has more than one.

Where is header and footer in excel?

On the Insert tab, in the Text group, click Header & Footer.