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Unable to redeem the MS 365 product key

Mekretse Woldu 20 Reputation points
2026-02-22T15:41:00.0066667+00:00

Hello,

I have a product key that I bought from MS in 2019 and when I tried to use it in my new laptop, I keep receiving an error saying that the product key has been used or redeemed by another account. Partial name of the email associated with the account is shown but I don't have that kind of email information and would like your help with redeeming my product key.

Thanks,

Mekretse

Microsoft 365 and Office | Other
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  1. Q&A Assist
    2026-02-22T15:41:09.0566667+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    If you are receiving an error indicating that the product key has been used or redeemed by another account, it typically means that the key is already associated with a Microsoft account. Here are some steps you can take to resolve this issue:

    1. Check for Existing Accounts: If you have any old Microsoft accounts or email addresses, try to sign in with those accounts to see if the product key is linked to one of them.
    2. Contact Microsoft Support: If you cannot remember the email associated with the account, your best option is to contact Microsoft Support. They can help you recover the account or provide further assistance with your product key.
    3. Verify Product Key Status: You can also check the status of your product key by visiting the Microsoft account page and trying to redeem the key there.
    4. Consider Using a Different Key: If you have another product key or if the key is part of a subscription that has expired, you may need to purchase a new key or subscription.
    5. Follow the Troubleshooting Steps: For additional troubleshooting, you can refer to the guide on problems with Microsoft 365 product keys to see if there are any specific solutions that apply to your situation.

    Following these steps should help you address the issue with redeeming your Microsoft 365 product key.

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  1. Mekretse Woldu 20 Reputation points
    2026-02-22T15:42:40.2066667+00:00

    Would you please provide me the contact information for Microsoft Support?

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