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 show how this shortcut can be used.
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.
In this video, we show you several ways to create a new Excel workbook.