ReliefJet Essentials for Outlook - A large set of useful and easy-to-use tools for every Microsoft Outlook user: Import, export and convert using EML,MSG,TXT and PST formats; remove duplicate items, process attachments and extract addresses; get reports and statistics and even more...
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
Export Messages to MBOX File - Saves Outlook emails to MBOX files.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Zimbra Converter - Zimbra Converter Tool to Export Zimbra Mails, Contacts, Briefcase & Calendar to Multiple Formats. Use Zimbra Converter & batch migrate Zimbra to PST, PDF, MSG, EML, Office 365, Lotus Notes, Exchange Server, Gmail/ Gsuite and more at one time.
Hornetsecurity Email Archiving - Hornetsecurity Email Archiving is one of the advanced software that offers long-term, unchangeable, and secure storage of important company information, data, and flies.