Just to clarify, are you asking how to set up Outlook at home to receive
email from work? If that's your question, you need to ask your IT Admin or
Exchange Admin if you can use OWA and how that's done. That wouldn't have
email coming into your Outlook account but it is a form of Outlook, Outlook
Web Access.
This may or may not be allowed. Your IT staff would of course have all kinds
of security in place so that people can't normally do this, to protect the
company's information.
An alternate form of using your email would be to ask for remote access on a
work-issued laptop and using a VPN connection. That way the email is properly
protected and kept secure.
It's up to your IT department what the procedure is to access work email
when out of the office. You have to ask them how it's done and if you're
allowed. They may of course require approval from your manager or higher and
you may have to make a business case for it.