Because macros are just Visual Basic scripts, they can be invoked from Windows even if the software is not running.
By default, macros are located in, My Documents\My ASMI 20xx 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 ASMI 20xx Projects\commands, or in C:\Program Files\Autodesk\Simulation Moldflow Synergy 20xx\data\commands, where xxxx is the software release number.