Need help finding your product key? Activate Office 2010 onlineĬlick File > Help > Activate Product Key. In most cases, you'll need your product key to activate Office 2010. To activate Office by telephone, you can call the numbers for your specific country/region listed in this article.
Important: When you select the option to activate Office by telephone, you might receive this error: Telephone activation is no longer supported for your product.
