Quick, clean, and to the point

Close current workbook

Windows shortcut 
Mac shortcut 

This shortcut will close the current workbook window.

You can also use Ctrl + W in Windows and in newer versions of Excel on the Mac.

Related videos

The videos below demonstrate this shortcut.
In this video, we show you several ways to create a new Excel workbook.
In this lesson, we cover shortcuts you can use when working with files.
In this video, we'll look at how to make a custom table style the default table style in new workbooks.
Excel foundational video course
Excel Pivot Table video training course
Excel formulas and functions video training course
Excel Shortcuts Video Course
Excel Charts video training course
Video training for Excel Tables