You"ll need to Amex Login after you download and launch the app., the same way you would on a computer, enter your login and password. Once you"ve logged in, you may access your account and perform tasks like setting up an automated bill payment, depositing checks, and viewing the history of transactions whenever you need to. You can sign in to your account on the upper left of the Amex Login webpage once you arrive there. Enter your username and password in the corresponding fields. Depending on the type of account you have with American Express, you will also need to choose where you want to log in. Following are the options