Because macros are Visual Basic scripts, they can be invoked from Windows even when the software is not running.
By default, macros are located in, My Documents\My AMI 2019 Projects\scripts where xxxx is the software release number.
By default, command-line scripts are located in the default project directory, typically My Documents\My AMI 2019 Projects\commands, or in C:\Program Files\Autodesk\Moldflow Synergy 2019\data\commands, where xxxx is the software release number.