1. from the example to underline the number 30 position C3.2. click a position C33. on the Ribbon, select the Home tab > Group of letters. Clicking the arrow buttons in the bottom border image
1. In this example, To underline the No. 30 position C3 2. Click the position C3 3. On the ribbon, select the Home tab> letter groups. Click the arrow button on the lower edge of the image.
1. From this example underlines the need 30 position number C3 2. Click Select position C3 3. On the ribbon bar, select the Home tab. Group of letters, click the arrow button button, the lower border, as shown in the picture!