You can change how text looks by changing its font, size, or color, or by adding bold, italic, or other formatting. You can also add color behind text to highlight it.
You can use buttons above the keyboard to quickly change the font. Text formatting buttons appear on the left and right of the predictive text fields.
If your keyboard doesn’t show predictive text, you can turn it on in Settings > General > Keyboard.
Do any of the following:
Change the font: Tap the font name on the left side of the predictive text, then tap a font.
Change the font style: Tap the font name, tap 
next to the font name, then tap a format (regular, bold, italic, semibold, for example).
Change the font size: Tap 
, then tap a size.
Add bold, italic, or underline: Tap , then tap a button at the bottom of the menu.
If your document needs to use Chinese government standard font sizes, change your computer’s region to China. Then, regardless of the language you use to enter text, you see the Chinese sizes in addition to the point sizes.
Select the text you want to change—or tap a text box, shape, or table cell—then tap 
.
If you don’t see text controls, tap Cell or Text.
Do any of the following:
Apply a different paragraph style: Tap the style name below Paragraph Style, then tap a new paragraph style (scroll to see more).
Change the font: Tap Font, then tap a new font. To see more options for the font, tap 
next to the font name, then tap a format (condensed, light, or semibold, for example).
Apply bold, italic, underline, or strikethrough: Tap any of the buttons below Font.
Change the size: Tap one of the buttons next to Size to decrease or increase the font size.
Select the text you want to change—or tap a text box, shape, or table cell, then tap .
If you don’t see text controls, tap Cell or Text.
Tap Color, then choose one of the following:
A color that coordinates with the template: Swipe to the color choices to the left of the grayscale options, then tap a color.
Any color: Swipe to the color grid to the right of the grayscale options, then tap a color.
To preview text in various colors, touch and hold a color, then drag across the grid. A color label appears for each previewed color to help you reproduce an exact match. Release your finger to select a color.
A color from elsewhere in the document: Swipe to the color wheel, then tap 
below it. Touch any color outside of the selected text.
To preview colors in the text, touch and hold a color on the document, then drag across the page to touch other colors. Release your finger to select a color.
A custom color: Swipe to the color wheel, then drag the slider around the wheel.
To change color brightness, drag the top horizontal slider. To change color saturation, drag the bottom slider. To revert to the previous color, tap the circle in the center of the color wheel. (The previous color is shown in the left half-circle in the center of the color wheel.) As you drag a slider:
The right half-circle in the center of the color wheel also reflects your changes. You can compare your changes to the previous color, which is shown in the left half-circle.
A value appears above the slider to help you reproduce an exact color.
A recently created custom color or a recently selected color from elsewhere in the document: Swipe to the color wheel, then tap a color well to the right of .
You can add color behind any selection of text—individual characters, words, or entire paragraphs—to create a highlight effect.
Select the text you want to change—or tap a text box or shape—then tap .
If you don’t see text controls, tap Text.
Tap 
in the Font section of the controls.
Swipe up then tap Text Background.
Swipe left or right to see color options, then tap one to apply it.
If you need more information about the color options, see the task above this one.
To remove the background color, tap No Fill after the black and white options.