The public version is identical https://docs.microsoft.com/en-us/office/vba/api/Excel.Application.Run https://docs.microsoft.com/en-us/office/vba/api/Excel.App

The public version is identical https://docs.microsoft.com/en-us/office/vba/api/Excel.Application.Run https://docs.microsoft.com/en-us/office/vba/api/Excel.Applic... The args have to be object/variants, as it is the values for the sub that will be called and they can have any type. You would use generics today but keep in mind this is 1990s API.