If you've tried the earlier troubleshooting steps and Office is still unlicensed, you can troubleshoot activation failures yourself. 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 fix MFA prompts not working all these symptoms. In a nutshell, our Office 365 products are not activating.

Check connectivity

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.

Update Office

Activation ensures compliance with Microsoft’s licensing terms and unlocks all features of the Office suite. If the product key seems correct, but you’re still encountering activation guide to Office 365 sign-in errors issues, use the Microsoft Support and Recovery Assistant (SaRA) tool. This tool can automatically detect and fix activation errors for Microsoft Office.

Still need help? Contact Support

A vast community of Microsoft Office365 users that are working together to support the product and others. 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.

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. However, with the troubleshooting steps outlined above, you can often resolve the problem quickly.

• Activation errors in Microsoft Office can be frustrating, but they are usually fixable with the right approach.
• After the repair process, try to activate Office again.
• If none of the above methods work, reinstalling Microsoft Office can often resolve stubborn activation errors.
• This tool can automatically detect and fix activation errors for Microsoft Office.
• If all else fails, Microsoft Support is always available to assist you further.
• If Office still won't activate after you run the troubleshooter, you can Fix Unlicensed Product errors yourself.
• This is the only evidence I can see of a network issue.

How to Contact Support:

If Office still won't activate after you run the troubleshooter, you can Fix Unlicensed Product errors yourself. Activation can 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.



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.

How to Fix Microsoft Office Activation Issues – 2025

After deactivating Office on another device, you should be able to activate it on your current device. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Find solutions to common problems or get help from a support agent. Please try signing in using all your personal email addresses in case you bought Office using a different email address. 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.

Office 365 Activations / License Verification Not working

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 FixTechGuide support for Office 365 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.