Select Model Area Specifies the range that is used for the model are.
In the Save Model dialog box, the Select Model Area box displays the default selection based on the active cell, as the area where you want to save the problem model. The suggested range includes a cell for each constraint plus three additional cells. You can also enter a reference for the upper-left cell of the vertical range in which you want the model to appear.
In the Load Model dialog box, the Select Model Area box displays the reference for the model that you want to load. The reference must be for the entire range that contains the model, not just the first cell of the range.