MSIX supports group policy and other admin features: https://learn.microsoft.com/en-us/windows/msix/group-policy-msix https://learn.microsoft.com/en-us/windows

MSIX supports group policy and other admin features: https://learn.microsoft.com/en-us/windows/msix/group-policy-msix https://learn.microsoft.com/en-us/windows/msix/group-policy-... MSI isn't being developed any further and according to MS, the MSIX format is their "deployment technology moving forward". https://mcpmag.com/articles/2018/08/09/microsoft-msix-replacing-msi-appx.aspx https://mcpmag.com/articles/2018/08/09/microsoft-msix-replac... MSIX is relatively new. The customers who requested an MSI may simply not know about it.