You may need to forward emails to another mail box, especially if you have more than one. Let's look at where we can get to this setting.
Setting a forwarding email
Setting a forward email via Outlook on the web
To get to this option on the web, click on Settings (the gear icon) and then on Forwarding in the Mail | Accounts section of the left navigation bar. Along with forwarding the email, you can choose to keep a copy of the email in the original inbox by checking the box:
You can only set one forwarding email address.
Setting a forward email via Outlook
In order...