The steps are almost identical for all versions of Outlook, aside from slightly different wording in a few places.
Start Outlook. Click the File tab, then "Add Account".
The "Auto Account Setup" window appears. Leave all the fields empty. At the bottom of the window, check or select "Manual setup or additional server types" or "Manually configure server settings or additional server types". Click the "Next" button.
Outlook 2013, 2016: Select "POP or IMAP". Click the "Next" button.
Outlook 2010: Select "Internet email". Click the "Next" button.
The settings window appears. Enter the following information into each field:
Your Name: your name as you'd like it to appear on the "From" line of your outgoing email messages.
E-mail Address: your full email address.
Incoming mail server: securemailserver.ca
Outgoing mail server (SMTP): securemailserver.ca
User Name: your full email address.
Password: your email account password.
Click the "More Settings..." button.
Click the "Outgoing Server" tab.
Check the box labelled "My outgoing server (SMTP) requires authentication".
Click the "Advanced" tab.
Under "Incoming server", check the box labelled "This server requires an encrypted connection (SSL)".
Under "Outgoing server", click the "Use the following type of encrypted connection" drop-down selection list and select "TLS". Enter the number 587 in the outgoing server port number field.
Click the "OK" button.
Click the "Next" button. On the final screen, click "Finish" to save your new email account settings.