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

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

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 solve office 365 mailbox sync delays 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.

• 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.
• 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.
• I’m guessing there is some protocol or cipher suite issue.

If you’re encountering any of these or similar issues, continue reading to find solutions. For more information about Microsoft product activation, Outlook profile repair and recovery steps see Activate Windows 7 or Windows 8.1. If you're not sure which antivirus software you have, use the following instructions to get to Control Panel to find the name of your antivirus software. If Office still won't activate after you run the troubleshooter, you can Fix Unlicensed Product errors yourself.

How to Check Your Product Key:

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

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 Outlook data file cannot be accessed 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.