Open up your Outlook app and click get Started. On the next screen you will be asked to put in your email address. Once done click on continue.
You will now be asked for your password, as this is a IMAP account we are setting up click on the link at the bottom of the screen (Not an Outlook.com Account).
Now click on the icon IMAP
Click on Show Advanced Settings to load up all the available fields and then begin to enter in your settings.
Email Address: Your Email Address
Display Name: Your name as you would like recipients to see it
Description: Your own description for the mailbox
Incoming Mail Server
IMAP Incoming Email Server: mail.yourdomainname.com
IMAP Username: Your Email Address
Password: Your Email Password
Outgoing SMTP Mail Server
SMTP Outgoing Email Server: mail.yourdomainname.com
SMTP Username: Your Email Address
SMTP Password: Your Email Password
Click on the tick (top right) and that’s the account now setup. =)