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Verification of a Microsoft Office Professional 2021 product key that I purchased from Woot.com.

Manuel Tolentino 0 Reputation points
2026-02-24T00:09:56.2766667+00:00

Hello,

I need verification of a Microsoft Office Professional 2021 product key that I purchased from Woot.com.

The key is: <PII removed>

When attempting to activate it on a new computer, I receive error 0xC004C060, which indicates the key is blocked or invalid. Can you please confirm whether this key is valid and eligible for activation, repair, or replacement?

If the key is not valid, please provide written confirmation so I can return to the seller for resolution.

Thank you.

Microsoft 365 and Office | Other
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  1. Alexandr S 104.4K Reputation points Independent Advisor
    2026-02-24T01:53:02.9233333+00:00

    Hello, Manuel Tolentino.

    To verify the key/license, I recommend contacting a Microsoft support specialist in the chat. To do this, log in to your MS profile on the page https://support.microsoft.com/en-US/home/contact?SourceApp=smc2&ContactUsExperienceEntryPointAssetId=www.microsoft.com

    In the search bar, type (without quotes) "agent support" and press Enter or click on Get Help. Ignore the search results, and click on the "Contact Support" button at the bottom. On the next page, select "Microsoft 365 and Office" and "Technical Support" from the drop-down lists, and then click on "Confirm". Next, select the chat "Chat with a support agent in your web browser" and on the next page (if requested), enter your (the one that works) email address and click on "Confirm". A chat window will open in a new tab. Wait for the operator to respond and describe the situation to him.

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  2. Manuel Tolentino 0 Reputation points
    2026-02-24T00:11:59.16+00:00

    How do I contact Microsoft Support for this issue?

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  3. Q&A Assist
    2026-02-24T00:10:34.5466667+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    The error code 0xC004C060 indicates that the product key you are trying to use is blocked or invalid. Unfortunately, I cannot verify the validity of specific product keys or confirm their eligibility for activation, repair, or replacement. I recommend contacting Microsoft support directly for assistance with this issue. They can provide you with the necessary verification and help you resolve the activation problem.


    References:

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