Many shady sites distribute modified or fake VL serializers claiming to “permanently activate” Office for free. These often contain malware or spyware. The genuine Microsoft VL Serializer only works if your organization has purchased a Volume License for Office 2021 for Mac.
If the $150 price tag is the blocker, do not resort to a dangerous VL Serializer. Instead, use legitimate free software: microsoft office 2021 vl serializer mac
Because the license is tied to the hardware's serial number, you cannot copy a licensing plist from one Mac to another. Safety and Legitimacy Many shady sites distribute modified or fake VL