How to Activate Office 2021 Professional Plus - Online Activation
Visual Activation Instructions:
If you receive an error message during online activation, please take a screenshot and contact our support team for assistance.
Step 1: Download Office 2021
Step 2: Open File Downloaded and click on Setup.exe
After downloading, open the file and run Setup.exe to begin installation.
Step 3: Wait for Installation to Complete
The installation process takes approximately 5 minutes to complete.
Step 4: Open an Office Application
Go to the search bar on Windows and open Word, Excel, or any other Office application.
Step 5: Enter Your Product Key
Enter the product key you received via email.
Step 6: Select Activation Method
If this screen appears, select "I will activate the software over the Internet".
Step 7: Activation Complete or Troubleshooting
Office 2021 is successfully activated!
If you see this error, click back and select "I will activate the software over the telephone"
Select "I want to activate the software by Telephone" and click Next
Send us your Installation ID using the form below. You can either copy the text or take a screenshot.
Troubleshooting Common Activation Issues:
Error: "The product key you entered isn't valid"
Solution: Double-check that you've entered the product key correctly. Make sure there are no spaces before or after the key, and that you've used the correct format (5 groups of 5 characters).
Error: "We're sorry, something went wrong and we can't do this for you right now"
Solution: This is usually a temporary server issue. Wait 15-30 minutes and try again. If the problem persists, try using our Phone Activation method instead.
Error: "This product key has been blocked"
Solution: If you see this message, please contact our support team immediately with your Order ID and a screenshot of the error. We'll provide you with a replacement key.
Still having issues?
If you're still experiencing problems with online activation, please try our Phone Activation method, which works even without an internet connection. For further assistance, contact our support team at support@bigkey.org with your Order ID and a description of the issue.
IMPORTANT: Send Us Your Installation ID
If you see the activation error, please submit your Installation ID using this form to receive your Confirmation ID.
After submitting your Installation ID, our team will generate a Confirmation ID for you and send it to your email address. You'll typically receive a response within 1-24 hours.