If the product key seems correct, but you’re still encountering activation issues, use the Microsoft Support and Recovery Assistant (SaRA) tool. This tool can automatically detect and fix activation errors for Microsoft Office. Activation errors in Microsoft Office can be frustrating, but they are usually fixable with the right approach. Always purchase Office from a trusted source like My PC Panda to avoid counterfeit product keys. Follow the solutions provided in this guide to resolve activation issues and enjoy uninterrupted access to your Office applications. One of the most common causes of activation errors is entering an incorrect or invalid product key.

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

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. For genuine and affordable MS Office product keys, visit My PC Panda. Incorrect system date and time settings can sometimes interfere with activation.

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 reset cached Exchange mode 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.
• 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.
• Activation can fail if you have multiple copies of Office installed.

Check your proxy settings

Ensure that you’re entering the correct 25-character key that came Outlook stuck updating folders solution 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

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 Repair Outlook Profile Online 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.