EZ Eudora Backup 

EZ Eudora Backup makes it easy to backup your mail and address book to a ZIP archive and works with the Windows Task Scheduler to provide an automated backup solution.
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EZ Eudora Backup Pro 

EZ Eudora Backup Pro makes it easy to backup your mail and address book to a ZIP archive or to CD/DVD and works with the Windows Task Scheduler to provide a completely automated backup solution.
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Adolix Outlook Express Backup 

The easiest way to backup email data (emails, accounts, signatures, address book, settings, message rules and blocked senders lists) from Top 9 Email Clients (Outlook Express,MS Outlook,Eudora,Netscape Messenger,IncrediMail,PocoMail,Bat and Opera).
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