Open Outlook 2019. If this is the first time you have opened Outlook you will be directed to the new account wizard. If you already have an account set up, click File, then Add Account.
When the Welcome to Outlook 2019 box opens, enter your email address and click Advanced options. Check the box for the option “Let me set up my account manually” and then click Connect.
In the Advanced setup window, select IMAP.
Enter your mailbox password, then click Connect.
You should read the message “Account successfully added”, simply click on Done and you’re all finished.