Managing personal Outlook.com account settings, security, and privacy
This forum is dedicated to accessing an Outlook.com account using a web browser. That should work no matter what computer you use. If you are now using new Outlook, there should be a switch that allows you to revert to legacy Outlook, at least until October when support for legacy Outlook disappears. See if this helps: https://support.microsoft.com/outlook/outlook-for-mac