How to make text or data Italic in Excel 2013

First select your text/data you need to Italic

Go to Home Tab>

In the Font group click the Italic icon look like this (for example see the picture below)

Or

Keyboard short: Hit the <Ctrl+I> or <Alt+H2 (one key at a time)> 

and you will see the all the selected text convert to normal font to Italic. (for example see the picture below)