to check if your email address has appeared in a known data breach.
Hotmail has been fully integrated into the Outlook.com ecosystem. What is Hotmail | Lenovo IN
If your goal is to "install" these different accounts into one interface (like managing Yahoo/AOL inside Gmail), use these steps: Integration Method
[AOL - IMAP] Host: imap.aol.com Port: 993 SSL: Required
Popular email apps that work with (Gmail, Yahoo, Hotmail, AOL):
