If you get this message when you enter your product key at Office.com/setup, try entering your key in one of these locations:
For Office 2010, if the product key is 25 characters and uses format XXXXX-XXXXX-XXXXX-XXXXX-XXXXX, go to http://www.microsoft.com/software-download/office
For Office 2010, if the product key is 27 characters and uses format XXXXX-XXXXX-XXXXX-XXXXX-XXXXX-XX, go to https://getkey.office.com/office2010
For Office 2007 and Office 2011 for Mac, go to https://www.microsoft.com/software-download/office
For Office 365 for business, go to Enter your product key for Office 365 for business.
Article ID: 4027182 - Last Review: 1 Aug 2017 - Revision: 1