Call Microsoft Activation Support Service using skype on this number +18664323012 US +448000188354 UK For security purposes, please enter the following number on your phone's touch ton pad: XXX Enter the 3 digit security code you heared **If you you did not hear 3 digit number wait to repeat it or hangup and recall again It may be due to weak network sometimes ** It will ask you what type of product you want to activate choose office Then it will ask you for phone number ignore it After that will start the process her what you will hear (Are you are using computer with the activation wizard open, press (1) Otherwise, press (2) **Press (1)** Okay, now take a look at your screen, I'll ask you to tell me the installation ID, The installation ID is a long number broken into several groups, I'll ask you for one group at a time, Please enter or say the digits in group one. **start enter you first group of IID** **Enter the 6 or 7 digits 1st block of your IID** Great, now enter the digits in group two. **You will continue until you enter your entire (9 groups) Installation ID** Got it, thanks One moment please while I look that up. **after enter IID You will informed that the automatic system couldn't validate the IID so they will transferred you to a Microsoft representative who will give you CID (Real person not automatic answer )** I was not able to validate your installation ID, Please hold while I transfer you to a Microsoft representative. Please have the activation window open on your computer screen; so you have your installation ID number handy. The representative will need this number to assist you with activating your product. **It will ask you simple question Like Are trying to activate office 2019 you just simply say yes Or what type of product you try to Activate ? You said office 2019 (some times it may ask for the product key you have been used or your first group of IID or entire IID ) You will wait a moment Then it will give you CID **