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For modern versions, including Microsoft 365 (the subscription-based service), Office 2019, and Office 2021 (the one-time purchase version), Microsoft has moved toward a "digital entitlement" model. In many cases, the product key has been replaced by a digital license tied directly to your Microsoft account. This is very different from older versions like Office 2010 or 2013, where the full product key was often visible locally. ms office key finder 2021
If you have proof of purchase but still cannot locate your key, Microsoft Support can assist you. Visit the . A legitimate tool like , ProduKey , or