If Office installation fails or activation lapses, the title bar of your Office programs will show “Unlicensed Product” or “Non-commercial use,” and most functionality will be blocked on Windows 10 or 11. If your subscription expires or you cancel it, your access to Office 365 services and apps goes through a series of restriction stages … Continue reading “Why office 365/2019/2021 shows unlicensed product error?”
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