Run Outlook on your system and go to File > Info > Add Account tab.
Click on 'Yes' to configure Outlook to your email account.
From the available option, click on the 'Manual Setup' tab.
Click on the 'Next' button.
Now, click on the 'IMAP or POP' option.
Fill the relevant information such as Account Type, Email Address, Password, and etc.
Go to 'More Settings' tab.
Click on the 'My Outgoing Server' and enable it.
Click on the 'SSL' and type 993 as the port.
Click on the 'TLS' and type 587 as the port.
Click on the 'Next' tab and 'Finish'.