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

These errors can occur for various reasons, such as expired subscriptions, incorrect product keys, or connection issues. Fortunately, many common Office activation problems can be fixed with a few simple troubleshooting steps. Activation errors in Microsoft Office can arise from various issues, such as incorrect product keys, network problems, or corrupted files.

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 repair corrupted OST in Outlook 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.

• Sometimes, activation issues can be caused by corrupted Office files or an incomplete installation.
• If Office asks you to sign in, enter the account you used to buy Office.
• It's possible that the reinstall added back the GVLK as suggested by seanpmassey.
• If the key doesn’t match or you’re unsure, consult your purchase receipt or Microsoft account to find the correct product key.
• Always purchase Office from a trusted source like My PC Panda to avoid counterfeit product keys.

Check your proxy settings

Ensure that you’re entering the correct 25-character key that came FixTechGuide login issue guide 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.





A stable internet connection is required for Office activation, especially for Office 365 and Office 2016. If you’re having trouble activating Office, make sure you’re connected to the internet. I’m guessing there is some protocol or cipher suite issue. I’ve gone that route though, and have (as best as I can tell) corrected the protocols and cipher suites to be correct. I tested this with PCs that were never on our domain, and they worked just fine -as far as the accounts and licenses go. This is the only evidence I can see of a network issue.

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.

Activation can credential loop in Microsoft 365 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.