Guide

Step 1:

When you use Outlook 365, it automatically connect with the account you used to setup your user with, or whatever account is associated with Microsoft 365, so you'll already be logged into a account. We're going to add your hugomail account to 365 then. Go to File, then Info. At the top of the page will be your primary account, and underneath is the option to add an account, select that to continue.