The transition to Microsoft 365 cloud-based email provides many benefits, including:

You only have one CUNY M365 mailbox connected to your CUNY Login username, regardless of your campus affiliations. By default, all messages sent to any of your cuny.edu email addresses will end up in your M365 inbox. How can I keep messages for each college separate? The best way to…

Your default M365 email address is your_email_id@brooklyn.cuny.edu. You also have a shorter alias which is your_email_id@brooklyn.edu. Both of these aliases, along with any other CUNY campus affiliation email address all point to your official CUNY mailbox connected to your CUNY Login (firstname.lastname##@login.cuny.edu).