Adding a header (or footer) to an Excel sheet is a simple task using ... Click the left section and using the contextual Design tab, click Picture in the Header & Footer Elements group.

With this in mind, we have decided to explain how to add the Developer Tab to the Ribbon area in Microsoft Office. OK, so once the Developer Tab is added to the Word or Excel Ribbon, it will stay ...

Then, scroll through the options to add tabs, groups, and commands to your ribbon. Also, I'm using the Excel desktop app as .