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

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

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 fix Outlook after Windows update issues 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?

• One of the most common causes of activation errors is entering an incorrect or invalid product key.
• The tool can fix issues like invalid keys, expired subscriptions, or even corrupted installation files.
• 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.
• A vast community of Microsoft Office365 users that are working together to support the product and others.
• 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.
• For information about how to turn off your antivirus software, check your antivirus manufacturer's website.

Ensure that you’re entering the correct 25-character key that came repair corrupted OST in Outlook 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.

Activation can repair PST file without data loss 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.