If you're curious about the version of Excel you're using and don't know how to go about it, you've come to the right place. It could be as simple as selecting the Help Menu and clicking About Microsoft Office Excel, but then again, maybe not. The five options below will help you sort things out.
Excel for Windows
If you're using a Windows computer, chances are you're using one of the three most recent versions of Excel.
Excel 2003
Select the Help menu, then click About Microsoft Office Excel.

This also works with earlier versions of Excel (2002 and 2000).
Excel 2007
Select the Office button and click the Excel Options button, then select Resources from the left-hand pane and click the About button.

Excel 2010
Click the File tab on the Ribbon, then select Help from the left-hand pane. The right-hand pane has the Version information.

Excel for Mac
If you're using a Mac the two most recent Excel versions, 2008 and 2011, just select the Excel menu, then click About Excel.
Excel 2008

Excel 2011
