After the repair process, try to activate Office again. If your subscription has expired, you'll see "We couldn't find any Office products." Renew your subscription to use Microsoft 365. You may not realize you have more than one copy installed.

Can't activate office 365 even though I have a subscription

Don't forget to reinstall it after Office is finished installing and if you turned it off, be sure to turn it on again. The latest Office updates might contain fixes to activation issues. To learn how to update Office, see Install Office updates. Running Office as administrator helps fix permission issues that might cause Office activation to fail. If these settings aren't correct, Office activation might fail.

Step 4: Troubleshoot Office activation

However, with the troubleshooting steps outlined above, you can often resolve the problem quickly. If all else fails, Microsoft Support is always available to assist you further. Before diving into the common activation errors, it is important to understand how Microsoft Office activation works. Microsoft requires users to activate their Office products to verify that they are using genuine software. Activation ensures compliance with Microsoft’s licensing terms and unlocks all features of the Office suite.

Step 3: Check your Microsoft 365 subscription status

If you're at work or school, you may need to log in using your work or school account instead of your personal email account. If Office still won't activate, choose your Office version for additional troubleshooting help. If Office asks you to sign in, enter the account you used to buy Office. You'll see "We couldn't find any Office products" if you use the wrong address. To restore all features of Office, you'll need to fix the problem that's causing activation to fail. The activations work when this is tried on a PC that is not on our domain.

Step 1: Sign in with the right account

You should immediately recieve a prompt to activate if this is your issue. Failure to activate Office can lead to limited functionality, with messages such as "Product Activation Failed" appearing on the screen. Was very odd the only thing broken was the licensing. It's Outlook OST vs PST repair possible that the reinstall added back the GVLK as suggested by seanpmassey. Environment has been stable for some time, I am now experiencing an Office Product Activation fail.

• This tool can automatically detect and fix activation errors for Microsoft Office.
• You should immediately recieve a prompt to activate if this is your issue.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• All PCs are working properly for all other functions that I can tell, and we are not getting notices from any other software indicating an issue with connectivity.
• If you don’t remember which email was originally used, the system keeps looping because it’s trying to verify the key against the correct account.
• If you’re encountering any of these or similar issues, continue reading to find solutions.
• They can help you resolve activation problems specific to your account or product.
• The latest Office updates might contain fixes to activation issues.
• If you use your device both at home and at work, try turning off the proxy settings in Microsoft Edge or Internet Explorer before you install Microsoft 365.

If you’re encountering any of these or similar issues, continue reading to find solutions. For more information about Microsoft product activation, fix MFA prompts not working see Activate Windows 7 or Windows 8.1. If you're not sure which antivirus software you have, use the following instructions to get to Control Panel to find the name of your antivirus software. If Office still won't activate after you run the troubleshooter, you can Fix Unlicensed Product errors yourself.





Sometimes, activation issues can be caused by corrupted Office files or an incomplete installation. This usually happens when a product key has already been linked to a Microsoft account in the past. The key can only be attached to one account, and once that’s done, it must always be activated by signing in with that same account. If you don’t remember which email was originally used, the system keeps looping because it’s trying to verify the key against the correct account. If you've tried the earlier troubleshooting steps and Office is still unlicensed, you can troubleshoot activation failures yourself.



The Microsoft 365 activation troubleshooter runs on Windows PCs and can help you identify and fix activation issues with Microsoft 365. Approx 50% of problems we’ve found with office 365 have been DNS issues when people call asking for advise on their 365 installs. Did you download Office from the portal while logged in as the user? A vast community of Microsoft Office365 users that are working together to support the product and others.

I would also check Azure to make sure Federation is enabled. If your Office product key is already in use on another device, you might need to deactivate it on that device before you can activate it on your current one. This article describes the error codes and corresponding descriptions of Microsoft Office activation process issues that can be repaired by using the Office Repair tool. If you use your device both at work offline mode stuck home and at work, try turning off the proxy settings in Microsoft Edge or Internet Explorer before you install Microsoft 365. If you're using a different browser, check their help to find out how to turn off proxy settings. For information about how to turn off your antivirus software, check your antivirus manufacturer's website.