Office Key Remover is a small portable application which removes Microsoft Office’s license information. The software supports removing licensing information from Office XP, Office 2003, Office 2007 and Office 2010.
To remove license just start up the program and select the installed Office version from the available choices.
When you next time start one of the installed applications office will automatically ask the user to enter a new product key.
Office Key Remover is compatible with 32-bit and 64-bit editions of Windows. It requires .NET Framework 3.5.
Note: Sometimes it may require administrator rights.
Download: Office Key Remover