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

In this guide, we’ll walk you through how to troubleshoot Microsoft Office activation errors and get your software up and running again. If none of the above methods work, reinstalling Microsoft Office can often resolve stubborn activation errors. If you want to send me login details of a test account on your domain/tenancy, I’ll Outlook OST vs PST repair try and activate office with it here on a test machine. What is the exact error the user receives when attempting to authenticate or activate the license?

• 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.
• 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.

Check your proxy settings

Ensure that you’re entering the correct 25-character key that came send/receive error 0x800CCC0E fix with your Office purchase. If you’ve tried all the troubleshooting steps and still can’t resolve the activation issue, contact Microsoft Support for further assistance. They can help you resolve activation problems specific to your account or product.





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.

Check your computer's date, time, and time zone

I do list a my troubleshooting steps in the original post, so check those out -I’m hoping someone can see the cause sticking out of all these symptoms. In a nutshell, our Office 365 products are not activating. All of my users are getting notices at the top of their office software saying (unlicensed product). By following these steps, you should be able to get your Office software activated and back to work without any issues. The tool can fix issues like invalid keys, expired subscriptions, or even corrupted installation files. If the key doesn’t match or you’re unsure, consult your purchase receipt or Microsoft account to find the correct product key.

Activation can Fix Outlook and Office365 Sync Issues fail if you have multiple copies of Office installed. Let's uninstall any versions of Office you aren't using before we continue to troubleshoot. I’m guessing there’s an issue with a protocol or cipher suite setup that’s tanking this function for our PCs. After deactivating Office on another device, you should be able to activate it on your current device.