Microsoft Office product key already used by someone else

1047345 pts.
Tags:
Microsoft Office
Office 365
At my job today, my boss asked me to install Microsoft Office 365 on three different computers. But when I got to the installation page, it says this product key has already been entered by someone else. We don't believe anyone else used this. What should we do?

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  • Subhendu Sen
    Are you sure, that those computers never got Office products erstwhile? Or never installed before? Are these computers very new & just arrived at your place? You did not reveal that. For clearing doubts, it is needed to deactivate the subscription first then uninstall the program and try to do the same. To check all of these, link to MS Office official website & try to deactivate from your the PCs where you wanted to install.
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  • bhannah
    That issue is indicative of Office 365 Account being hacked by some one. You need to log into the account and verify which machines have already used the licenses because their will be an email address associated with each usage. This will have to done through the Official MS Office Website. You did not say how licenses you were supposed to have. You should be on the phone with the people from the Official Office Website when you are deactivating the various licenses. You also need to find out if you actually have a valid account.
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  • ToddN2000
    This can be a common issue if you bought the software on the secondary market. Some people will install it then decide they don't like it and resell it in hope of getting some money back. The problem is the license has been used and you may not get to install and register it as a "new" user. In this case it's buyer beware. If you bought from a retail store then you are best off calling Microsoft Support.
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