Get help with product key errors on Microsoft Office

Microsoft Office product key, as well all know, plays an important role in the Office setup process. But, have you ever thought what would happen if you get error messages while using it? Another common factor that grabs our attention here is that the product key is highly case-sensitive and has to be used very carefully.

In case you make any mistake while typing it or use it for the wrong product subscription, then you are sure to get errors.

Hence, Microsoft always advises you to use the product key with the utmost care to avoid any errors.

If you are also someone who is getting such errors while using the Office product key, then you must not worry as we have ample solutions to get rid of those errors.

Some of the commonly faced errors

  • You might be using the already used product key.
  • The key you are using is not available in the Microsoft database.
  • You are unable to set up your Microsoft account for redeeming the product key.
  • Your product key has not been activated by the retailer.
  • Mistyping the product key.
  • You have used all the available licenses in your account.
  • An error related to the missing JavaScript.
  • Cookies are blocked by the web browser you are using.
  • You get an error saying that your country or region is not listed.
  • The product key you are using is set up for another region.

Read Also: Workaround to fix issues with Office 365 product key

Let’s fix these errors

Error- “This product key has already been used”

When you come across such kind of error message, it means you have already used your product key or it has been already redeemed at It also means your product key has been redeemed and you just need to install the Office product on your device. For this, you need to go to your Microsoft account and click on the ‘Services & subscriptions’ tab. After this, you need to log in to your account and then complete some easy steps to start using your subscriptions.

Error- “Sorry, we can’t set up your account right now”

The given error message usually appears on your screen when you try to use the product key in the region other than where you have purchased it from. Microsoft experts advise its users to redeem the product key in the same region from where they have purchased it.

Another reason why you must be coming across this error message is that you are extending the duration of your subscription in the different region from where you have purchased it.

Error- “The product key isn’t valid”

In case you make a typing mistake while entering this product key, then the above-given error message appears on your screen. Also, you might be using the product key for different Office plans for which it is not meant.

Error- “The product key isn’t valid” (KEY_NOT_ACTIVATED)

When you see this message on your desktop’s screen, it means the retailer from whom you have purchased your subscription has not activated the key for you. If this is the case, make sure you go to the retailer and ask him to do it so that you can use it.

Error- “Sorry, you’ve reached the limit”

A Microsoft Office product subscription can be renewed or its duration can be extended for a limited period. If you use the same product for more than 5 years, then you are sure to face this error. Make sure you buy another subscription instead of extending the duration of older ones.


Even if your error message is not listed here, you can still see the resolution for it on the official Microsoft Support website. Here, there are a number of articles in support of your queries and problems with Microsoft Office.