In the Layer Control, selecting the Boundaries layer then RMC to show options as shown in Model Grid - RMC options. These options are described below.
Figure 1 Layer's RMC options.
Properties
Zoom to Layer
Edit
View Elevation-Volume
Export Elevation-Volume
Auto-rotate Cell Corners
Convert Grid Coordinates
Export to CVLGrid
Export to RGFGrid
Export Grid Cells
Export Grid Lines
Export Grid Outlines
Remove