Welcome to Microsoft Community and we are happy to help you on this issue.
As per the query description, you want to arrange the emails in your mail account according to the sender or subject so that it becomes easier to search emails by sender, date or subject.
Mail app is designed in such a way that it is not possible to arrange or sort email according to date/ sender or subject wise.
However, you can easily manage notification for the Mail app on the computer.
Here’s how to manage notification for Mail, Calendar, People and Messaging:
“How to manage notifications for Mail, Calendar, People, and Messaging”
Follow the section “To change notifications for a specific account”: