The Badge Counter displays the number of new messages on the app home screen. To manage the badge counter:
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 the Navigation Drawer to bring up Settings.
4.Tap More to bring up the full list of options.
5.Tap Badge Counter.
6.To show Badge Counter, tap the radio button to enable it.
Note: To enable badge counter for all your email accounts, tap the All Accounts radio button to enable it.