I also found a way to set up outlook.com aliases in a way that you can send emails using aliases directly via Microsoft Outlook desktop. This article discusses email settings for Outlook.com that ...
By default, Outlook marks emails as read as soon as they are clicked briefly. This can lead to important emails being overlooked. To avoid this, deactivate this function under Settings > Email ...
Messages sent via email are communicated more effectively ... Alternatively, you can check your zoom settings. It is located at the bottom in the right corner of the Outlook window.