and may lead to activation failure, security risks, or account bans. However, for organizations using Volume Licensing , Microsoft provides Generic Volume License Keys (GVLKs)
The product key is used to verify that your copy of Office 2019 is genuine and to prevent unauthorized use of the software. When you activate your copy of Office 2019 using a product key, you will be able to use all the features of the software without any limitations. microsoft office 2019 product key list
Volume-licensed (VL) copies store only a generic key in the registry, not the original MAK. and may lead to activation failure, security risks,
Stay productive, and happy working!