Telephone activation can still be accomplished by calling the ms office activation phone number below: office 2010 Activation Phone Number: (888) 652-2342 Office 2007: (866) 432-3012 Office Pro Plus 2013 etc: How does activation work on a microsoft phone? How to activate office professional plus using telephone activation? Click on the option “activate product by phone”. Once Office starts, an Activation Wizard will ask you for your MS Office 2013 product key. Here’s how to activate Microsoft Office 2013 over the phone: Once you have installed Office 2013, disconnect your computer from the internet.
