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GVLKs support both Key Management Service (KMS) and Active Directory-based activation. Activate volume licensed versions of Office by using KMSĪpplies to: Volume licensed versions of Office LTSC 2021, Office 2019, and Office 2016 (including Project and Visio)Īll volume licensed versions of Office, including Project and Visio, have a Generic Volume License Key (GVLK) preinstalled.
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