First of all, open Outlook, click on a new email account, go to “Server Settings,” type your name and your 1 & email address, type in Incoming e-mail: (imap.1and1.com, Incoming port: 993), in Outgoing email: (smtp.1and1.com Outgoing port: 587), and finally navigate to the Login Information and type your 1 and 1 email id and password.