Get a brief preview of the email contents using Snippets. Snippets are the few lines of text that appear in your Message List just below the subject line. You can control the number of lines you see in the Snippet, or disable them if you prefer not to see them at all. Here's how:
1.Tap the Nav Icon at the top left corner of the Nav Bar to display the Navigation Drawer.
2.Tap the Gear icon at the bottom of Navigation Drawer to bring up Settings.
5.Turn Snippets on/off by tapping the radio button.
6.Select the number of text lines you’d like to see in the Snippet.