Microsoft Office Professional Plus 2021 Retail Phone Activation Guide

Step 1: Enter Your Product Key

Once you install Microsoft Office, enter your digital product key. If the system requires manual verification, select the option: "I want to activate the software by telephone."

How to Activate Microsoft Office 2021 via Telephone

Step 2: Generate the Installation ID

After clicking "Next," the activation wizard will display a series of numbers known as the Installation ID (IID).

How to Activate Microsoft Office 2021 via Telephone

Step 3: Click Next 

Please cal the Microsoft helpline to activate your code. You need to enter the Installation ID (IID) over the phone. You will be provided with a confirmation ID


Step 4: Enter the Confirmation ID

Once provided with the Confirmation ID (e.g., 466541-886713...), simply enter it into the empty boxes in the activation wizard.


How to Activate Microsoft Office 2021 via Telephone

Congratulations! Your Microsoft Office Professional Plus 2021 is now fully activated and ready for use.