List Boxes provide users scrollable menus. You can define attributes for list boxes to accept only a single response or multiple responses. Adding items to the menu list are performed similarly to defining responses in combo boxes.

To add a list box field:

1. Abra el PDF en Nitro Pro

2. On the Forms ribbon, in the Form Fields group, click List Box.

3. On the page, drag the pointer where you want the field to appear.

4. Double-click on the field and do one of the following (depending on your preferences):

• In the Properties context tab, name the field and set its appearance settings.
• In the Properties dialog, name the field and set its appearance settings.

5. Do either of the following:

• If you’re using the Properties context tab, in the More group, click Properties and then Options.
• If you’re using the Properties dialog, click the Options tab.

6. Select Options. Click Item and type a name in the text box. Click the Add item to add the text to the Items List. Type an export value in the Export Value text box. Continue adding items following the same steps.

7. Click Sort items if you want the list sorted in alphabetical order. Select items in the list and click the Down/Up buttons to rearrange the items in the list manually. Select an item and click Delete to remove it from the list.

8. If you want a user to select multiple items for the response, check Multiple Selection.

1. Abra el PDF en Nitro Pro
2. On the Forms ribbon, in the Form Fields group, click List Box
3. On the page, drag the pointer where you want the field to appear
4. Double-click on the field and do one of the following (depending on your preferences):
5. Realice una de las siguientes acciones:
6. Select Options. Click Item and type a name in the text box. Click the Add item to add the text to the Items List. Type an export value in the Export Value text box. Continue adding items following the same steps
7. Click Sort items if you want the list sorted in alphabetical order. Select items in the list and click the Down/Up buttons to rearrange the items in the list manually. Select an item and click Delete to remove it from the list
8. If you want a user to select multiple items for the response, check Multiple Selection

To edit a list box form field:

1. Open the PDF in Nitro Pro.

2. On the Form ribbon, in the Form Fields group, do either of the following:

• Click the field type that corresponds to the field you want to edit
• Click Select Fields

3. Double-click the field to begin editing its attributes.