To add a caption in Word

1. From the Ribbon, click the tab References.
2. On the References tab, within the menu group Captions, click Insert Caption (keyboard shortcut key: Alt+S+P). The dialog box Caption appears.
3. Select a caption label from the drop-down list Label (default labels are Equation, Figure, and Table).
4. Enter a caption next to the label in the Caption field.
5. Click OK.

To insert a new Label

1. On the Caption dialog box, click the button New Label.
2. Enter the new label name in the New Label pop-up window.
3. Click OK. the New label is added to the drop-down list Label.