The Accounts list displays all of your email accounts.
Open the Email app. Tap the Accounts List icon (at the upper-left corner of the screen) to display a list of all of your email accounts. You can also swipe horizontally from the left side of the screen to open your Accounts list.
A identifying color is displayed on the left of each account. Tap an account to toggle between displaying and hiding its folders. The number of unread mail is displayed next to each account's Inbox.