To edit a footer in your PowerPoint slides and include citations or notes, you'll need to access the Header & Footer menu from the Insert tab.

QUICK ANSWER To add a header or footer to your Google Doc, double-click the margin at the top or bottom of your page. Alternatively, you can click Insert > Headers & footers > Header or Footer.

Insert a Footer in Excel If you want to add a footer to an Excel spreadsheet, click the "Insert" tab on the ribbon menu. Then click "Header & Footer" within the "Text" group of options.

You can insert or add Header and Footer in Excel spreadsheet using this tutorial. Insert page number, current date and time, etc.

In Excel 2003, choose Header and Footer from the View menu. Page Layout is new to 2007. Now you’re ready to add the header data: Click the Click To Add Header prompt and enter your header text.