Keep in mind: If you use the POP email protocol, the email will only be removed from Outlook 2019 and remain on the mail server. With IMAP, email is deleted on both Outlook 2019 and the mail server.
You can easily remove email in Outlook 2019, just follow these steps.
1. Open Outlook 2019.
2. Go to Inbox, right-click on the message you want to remove and click on Delete.
And you just deleted that email.
