Architecting and designing : Business Process Analysis (BPA) : Simulation of Process Models : Saving the simulation
  
Saving the simulation
The simulation can be saved as a .mod file from the System Architect Simulator’s File menu. You can reopened this file either in the System Architect Simulator or the full WITNESS product.
1 In the System Architect Simulator, select File > Save As.
2 Type the name and select model as the file type to be saved.
See also
Simulation of Process Models