The "Product Activation Failed" error in Microsoft Office arises when the application cannot verify your license or ...

You cannot activate your own personal copies of this software ... While connected to the VPN network, try the following commands: cscript.exe "c:\Program Files (x86)\Microsoft Office\Office16\OSPP.vbs ...

It's not just you, there is indeed an activation problem in Microsoft 365 Office triggered by administrators making changes at the licensing level.… The problem has been ongoing for a few months ...