AT&T is one of the popular email services used by the global users on multiple devices and one can also configure it with multiple email services. But it’s only possible if you have proper knowledge regarding the server settings of att net email settings that very important to apply in order to access your AT&T email account with others. But sometimes users also confront problems with AT&T server settings. And it’s all caused when they don’t know about the proper settings for particular email clients or devices. Are you trying to configure your AT&T email account with Outlook 2016? But suddenly it is showing some unexpected error? Then it means there is any problem with email service settings that you are applying in Outlook 2016. If it so, then you can very easily fix this problem after applying the att email settings which is very simple and easy. You can follow the below steps to fix the server settings related issues.