1 Open a Look to modify.

2 Position the cursor where you want to place the masked control.

3 Click the Microsoft Office Button, and then click Word Options.

4 Click Popular, and then select the Show Developer tab in the Ribbon check box.

5 From the Word Developer tab, click the Legacy Tools icon in the Controls group, and then click the More Controls icon. This opens the More Controls dialog box.

6 To create a character field for numeric responses, click Masked Numeric Control on the Object Type list.

7 To create a character field for open-ended responses, click Masked Text Control on the Object Type list.

8 Click OK.