The right options are listed below
User can create business, personal and web-based mails : Suppose if the user wants to create mails for personal, business and web-based and if the outlook allows only one then the user should go for other mail service provider like g-mail or yahoo and also it creates tough to manage each account.
From fields make us easy to switch between the accounts: From field helps the user to identify from which account that the email is being sent.
Accounts can be set up automatically or manually: It provides wizards to set up multiple account automatically and even if the user wishes to do, he can do so manually.