Dsc.7z Site
Once installed, you can use a custom resource to point to your DSC.7z archive and specify a destination path for the extracted contents.
You must first ensure 7-Zip is installed on the target machine. This can be automated using a DSC configuration that runs an MSI installer. DSC.7z
Right-click the folder, hover over "7-Zip," and select "Add to archive...". Once installed, you can use a custom resource