How does OE Classic compare to Outlook Express, Windows Mail and Windows Live Mail? Your data always belongs to you as it is stored in a public-domain format and there are no storage size limits. The ultimate goal of OE Classic is to be an easy to use, fast, small and secure program with lots of power features and yet, easy to use for a beginner. OE Classic is an email and Usenet reader designed to be a perfect replacement for Outlook Express, Windows Mail, Windows Live Mail and even Mozilla Thunderbird. OE Classic - Replacement for Outlook Express