Minimize the Ribbon : Ribbon « Introduction « Microsoft Office Excel 2007 Tutorial

1. Microsoft Office Excel 2007 Tutorial
2. Introduction
3. Ribbon

Click the Customize Quick Access Toolbar list arrow, 
           then click Minimize the Ribbon

Click a tab to maximize it.

1.2.Ribbon
	1.2.1.	The Ribbon replaces menus, toolbars, and most of the task panes found in Excel 2003
	1.2.2.	To minimize the Ribbon, double-click the name of the tab
	1.2.3.	Excel provides three types of tabs on the Ribbon
	1.2.4.	The Excel commands are organized in groups on the Ribbon, Office menu , Quick Access Toolbar, and Mini-Toolbar
	1.2.5.	Minimize the Ribbon
	1.2.6.	Set Developer Options