Make these settings the default for all presentations Select View, and in the Show group, select the dialog box launcher.
To change the measurement units in PowerPoint, see Change the ruler units from inches to centimeters. To see the grid on your screen, under Grid settings, check the Display grid on screen box.
To position shapes or objects to the closest intersection of the grid, under Snap to, check the Snap objects to grid box. Select View on the ribbon, and in the Show group, select the dialog-box launcher.