I'm not familiar with how Meraki handles appx packages. But if it won't install in the traditional way from Systems Manager, you might need to script it.   Something like add-appxpackage -path D:\Your\File\Path\example.appx Make sure to add quotations around your path if there is a space.   Play around with the syntax a bit to make sure it works the way you want. I don't know what your setup is, but there would need to be either an external app repository all the computers can access or you would need to copy the file to the computer first and run it locally. It can get even more into the weeds if it needs to be installed per user.   Hope this helps as an alternative! ... View more