Ansys Icepak automatically saves the model for you before it starts the calculation, but it is a good idea to save the model (including the mesh) yourself as well. If you exit Ansys Icepak before you start the calculation, you will be able to open the job you saved and continue your analysis in a future Ansys Icepak session. (If you start the calculation in the current Ansys Icepak session, Ansys Icepak will simply overwrite your job file when it saves the model.) From the File menu, select Save project.