Use Telephone Activation
I purchased a Microsoft Office product from them. At first attempt to activate it online, the activation was denied by Microsoft because the product key had already been activated too many times. I then tried to activate using the phone method. During the call to Microsoft, the robot asked if they could send the activation link via text. I agreed, and they sent it. Using the link, I got the same denial for the same reason. I then tried the the phone activation again, but this time declined the text link. I spoke the product key numbers at the voice prompt, and this time the activation was successful. So, be sure to use the voice activation only whenever you purchase a Microsoft Office product, and your purchase will be successful.