Select More security options
Under App passwords, select Create a new app password
Copy this app password as it will be used below in step 5., 3.
... on the printer's web page
Set SMTP Protocol to On
Set SMTP Port Number to 587
Set SMTP Server Name to smtp.office365.com
Set SMTP Server Timeout to 180
Set Authentication Protocol to On
Set Authentication as to Other
Set Login User Name <email address>
Set Login Password <above email address password> or the previously generated app password
The maximum length of the Login Password is 64 characters
Set SMTP Security to STARTTLS
Set Sender Address to the _same_ email address as used for the Login User Name
The maximum length of the sender address is 128 characters
Set SMTP Authentication and Sender Address to Use System Settings
Only some models have this setting
Alternate Sender Address (Alias)
Log into Outlook.com
Navigate to Settings > Connected accounts
Under Email Aliases, Select Manage or choose a primary alias
Under Account aliases, Select Add email address