I didn’t want to be in violation of my service agreement with Microsoft so I decided to deactivate the serial from 2 of those 3 computers.Īfter a great deal of searching with my incredible Google skills I found the only way to deactivate a serial in Microsoft Office 2011 for Mac. I didn’t even mean to find this out and, after purchasing 5 different copies, I mistakenly used the same serial on 3 different computers and have not received any errors when working in the program simultaneously. This is probably because they also did not put any mechanism in place to stop you from installing your version of Microsoft Office 2011 for Mac on as many computers as you want. More details about find product key for Office, Windows other software, turn to learn to find product key. Microsoft did not make it very easy to deactivate a product key for Microsoft Office 2011 for Mac. This video will show you How to Download and Activate Office 2019 for Macbook permanently 100 in easy and fast way. So far, the work of finding Office 2010 product key is over, just copy the Office product key code to activate Office 2010, and it works.