(Office 365)[https://www.office.com] is microsoft’s subscription based mail providing. Please use following configuration to use Office 365 mail over SMTP.
SMTP Server/Host: smtp.office365.com
SMTP Port: 587
SMTP User Name: Your Office 365 Email Address
SMTP Password: Your Office 365 Password
For more information about using Office 365 SMTP, refer to (this article)[https://itservices.usc.edu/office365/emailclients/].