To determine if you can obtain a replacement Office 2010 product key from Microsoft Customer Service, start the Online Solution Wizard:
Looking to replace a lost or damaged Office 2010 product key?
Online Solution Wizard
A step-by-step solution is available to resolve this problem.
Looking to replace a lost or damaged product key for an earlier version of Microsoft Office?If you are looking for information on how to replace a lost or damaged product key for an earlier version of Microsoft Office, click to view the following article number in the Microsoft Knowledge Base:
2548260 - Replace a lost or damaged Microsoft Office 2007 or 2003 product key
Learn more about how to find your Office 2010 product key.
Are you experiencing 'invalid product key' errors in Office 2010?
Learn more about how to troubleshoot invalid product key errors in Office 2010.
Do you have questions about the Office 2010 product key card?
Read frequently asked questions about product key cards.
Here are other resources you can explore if this article cannot resolve your problem: