I bought a new refurbished Windows 11 PC. I have a key but cannot seem to install Office 2016 but can install Office 2007. How can I install Office 2016

Bob smith 0 Reputation points
2026-08-10T23:40:39.32+00:00

I bought a new refurbished Windows 11 PC. I have a key but cannot seem to install Office 2016 but can install Office 2007. How can I install Office 2016

Microsoft 365 and Office | Install, redeem, activate | Other | Windows
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  1. Norah-L 11,435 Reputation points Microsoft External Staff Moderator
    2026-08-11T04:09:11.4666667+00:00

    Hello Bob smith,

    I understand that you bought a refurbished Windows 11 PC and are trying to install Office 2016 with your product key, but you are not sure why Office 2007 installs while Office 2016 does not.

    Please note that Office 2016 has already reached end of support, so it no longer receives security updates. However, if you still have a valid Office 2016 license, you may still be able to reinstall it from the Microsoft account or product key linked to that copy.

    Here are some suggestions you can try:

    First, go to Office setup, sign in with your Microsoft account, and enter the 25-character Office 2016 product key if it has not been redeemed before. Redeeming the key links Office to that Microsoft account, so you can use the same account to install or reinstall Office later.

    If the key was already redeemed, do not try to redeem it again. Instead, go to Services & subscriptions, sign in with the same account used for Office 2016, choose Office apps, find Office 2016, and select Install.

    If Office 2016 does not appear there, or the install still does not complete, please let me know the exact Office 2016 edition you have, such as Office Home & Student 2016, Office Home & Business 2016, Professional Plus, or another edition. This matters because some editions use different installation or activation methods.

    Also, could you share the exact message you see when trying to install or activate Office 2016?

    One more thing to check is whether any other Office version is already on the PC, such as Office 2007, a Microsoft 365 trial, or preinstalled Office. If yes, removing the older or conflicting Office version first may help avoid install or activation confusion.

    I look forward to your additional information so we could determine the best next steps.

    Thank you so much for your patience!

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  2. Stefan Blom 353.8K Reputation points MVP Volunteer Moderator
    2026-08-13T00:13:21.1566667+00:00

    I did buy a volume license. I put it on wondows 10 computers with no problems. Only my Windows 11 computers will not accept.

    If you purchased those licenses for an organization (business), then it should be OK.

    I forgot to mention it before, but it also used to be possible to purchase Professional Plus via the HUP (Home Use Program) through an employer. See https://support.microsoft.com/en-us/office/lifecycle/officeinstall/download-and-install-or-reinstall-office-2021-office-2019-or-office-2016#learn-more-about-product-keys-workplace-discount-program-and-volume-licenses .

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  3. Stefan Blom 353.8K Reputation points MVP Volunteer Moderator
    2026-08-12T20:39:42.47+00:00

    I am using Professional plus 2016
       
    Service Unavailable We are currently experiencing technical difficulties. Please try again later.

    Office Professional Plus is a volume license product, intended for organizations, not for individual users. If someone sold you that version and led you to believe that you purchased a consumer license, you should request your money back. If you have used Professional Plus for a while (under the conditions I mentioned in the preceding sentence) and it has only recently stopped working, it is likely because the Microsoft servers detected the incorrect license and stopped activation.

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