Newton PKG app for NCX
The NCX software need different extension for files under MacOS X. Old systems have had .pkg extension, which is used for system purposes under MacOS X. So, Newton packages for NCX must have .newtonpkg extension.
I’ve made simple app in Automator, which can quickly change extension for Newton package files. Just drag and drop Newton package on this app and it is done 🙂
(you need to unzip app from ZIP file)