Determine the Product Key with a 3rd party tool
Determining the used Product Key when using Office 2007 or previous isn’t directly supported by Microsoft. However, you can use a little program called Magic Jelly Bean Keyfinder to find out your used Product Key. Simply install and run the application to find out the Product Key (note: during the installation, there will be a prompt to also install a sponsored application which you can choose not to install).Another fee application which you can use is Belarc Advisor. This application does a bit more thorough scan of your computer for which it generates a report that also includes license keys for several of your installed applications. If you are in a large corporate network, you might want to disconnect your network connection as it will also try to build a network map which may cause the application to appear to hang at the “checking the local network of this computer” stage.
