Since Microsoft officially ended support for Excel 2013 on , it is no longer sold directly through Microsoft.com . However, you can still find legitimate retail copies and product keys from various third-party retailers and marketplaces. Where to Buy Excel 2013
How to Get Microsoft Excel for FREE (download & web versions) where can i buy excel 2013
You can find standalone versions or Office 2013 suites (which include Excel) at the following retailers: Since Microsoft officially ended support for Excel 2013