Now Office has a product key I have my old MBP with me; Is there any way I can pull the product key from the old machine so I can activate the new one. But Microsoft has provided the new Office for Mac 2011 with an activation process that is far more drastic than for customers running the Windows version of the package. I com.microsoft.office.licensing. Image Optimizer Software For Windows 8. plist the contents of my file, but I have tried to insert it and it does not work. However, the Office for Mac 2011 has switched to a single activation code and an installation-based license plan, and halves the number of macs a customer can install the application. Both the present and the effect of not enabling Office for Mac 2011 are more serious than for Office users who run Windows. The company also reduced the number of Macs that a customer can legally install Office on and used activation to prevent people from violating the terms of the end user license agreement of the software. If you bought it in Best Buy and you in another city (like I right now), you obviously out of luck. Gregg Keizer deals with Microsoft, security issues, Apple, browsers and general technology news for Computerworld. Upgrade to a newer version of Office, so that you are always updated with the latest features, updates and security updates.