How to Setup and Link An Account to Send As an Alias
In this video, I show you how to enable an Outlook account to be used as an alias, and then how to link it so it can be used to send emails using the software.
If you're not sure what/how the alias emails are used, you can read more about how to set them up in this Google support doc here -- https://support.google.com/mail/answer/22370?hl=en