Solution:

1) If the Database window is not active, activate the Database window.
2) Click the 'Forms' tab in the Database window.
Forms tab
3) Select the desired form from the list box. (The selected form is highlighted.)
4) Click 'Design'. (The selected form appears in the Design view, and the Toolbox appears.)
5) Click to select the desired control. (Handles appear around the control.)
Handles appear around selected controls
NOTE 1: Each control must be selected individually; if a control has an attached label, the control and label must be selected individually.
NOTE 2: To select multiple controls, press and hold down SHIFT while selecting each control.
6) Select the 'View' menu and select 'Properties'. (The property sheet appears for the selected control.)
7) Click the 'Format' tab in the property sheet.
8) Click in the 'Visible' property box. (A down arrow appears.)
9) Click on the down arrow. (A drop-down list appears.)
10) Select 'No' from the 'Visible' drop-down list.
Property sheet, visible box
11) To close the property sheet, click the 'X' in the upper-right hand corner of the property sheet.
Click X button to close property sheet