If you want to add a header or footer to all sheets, select every sheet by right-clicking one of the sheet tabs at the bottom of the Excel screen and clicking "Select All Sheets" in the pop-up menu.

How to Make Sortable Headings in Excel. Microsoft's Excel spreadsheet program contains many features that enable you to create comprehensive and detailed documents. You may use tools to perform ...

Can Excel show column headers on every screen? Yes, in Excel it’s called Freezing Panes, which can be applied to columns or rows (or both), and it’s super-simple.