Select the text you want to format.
Click the Home tab.
Then click the Font list arrow on the Ribbon
Then point for a live preview
Click the font you want
To change the font size, click one or more of the font size buttons on the Ribbon
Click the Increase Font Size button or Decrease Font Size button.
Bold format button
Italic format button
Underline format button
Strikethrough format button
Font Color format button
To select an underline style, click the Underline button arrow