ProduKey
Produkey is an excellent software which can be used to extract your Microsoft Office 2010 within few seconds, and the best part is that you don't even need to install the program and it can be carried out anywhere in USB or CD.
Product Key Finder
Product key is another great small program which can help you recover your microsoft office 2010 product, it does not only support Microsoft Office 2010 Product key but it can be used to extract other programs as well.