What Is a Microsoft Word Product Key?


Quick Answer

A product key refers to a 25-character code that is needed to activate a Microsoft Office application. Once the product key is entered, an activation wizard automatically connects to the Microsoft licensing servers via an internet connection. Product verification allows Microsoft to verify the Windows application has not been used more times than the number stipulated in the license terms.

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Full Answer

Each product key is encrypted within the Windows registry and is impossible to duplicate or regenerate. The product key is usually written on a card inside the Windows DVD box. If the product was purchased online, the product key is sent via email. Users are advised to keep a copy of their product key in case they need to re-install the Microsoft office application.

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