Setting up email account in Outlook

Hosted Exchange plans
Open up Outlook and go to: Tools >> Account Settings >> New
Select "Microsoft Exchange, POP3, IMAP, or HTTP" and press Next
Fill in the fields as asked and go to Next and it should get the rest of the settings automatically if you have the settings set up as per the Hosted Exchange emails you received.

Office 365 plans:
Please find our guide here:
https://help.blacknight.com/hc/en-us/articles/212519609-Office-365-Configure-My-Office-365-Email-Account-In-Outlook

Shared Hosting plans
Please find our guide here:
Setting up shared email account in Outlook