How can you add or edit a header in a document? Select all the options that apply.

A) Double-click the top margin of the document.,
B) Right-click the document and then click Header.
C) Click the Header button on the Insert tab.
D) Switch to Page Layout view.

Top Margin

The space between the top edge of a page and the first line of text or content.

Header Button

A control in software that allows users to configure or modify the header section of a document or table.

Page Layout View

A view in document editing software that displays the document as it would appear on the printed page, including margins, headers, and footers.