What are some alternatives?
When comparing Regain PST to MBOX Converter and Export Messages to MBOX File, you can also consider the following products
GainTools PST to EML Converter - GainTools PST to EML Converter extracts your Outlook PST file then exports into EML file format
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...
EML to PST Converter - EML to PST Converter is an ultimate email conversion and migration tool.
Mail Passport Pro - The Mail Passport Pro has been professionally developed for a special purpose, which is to convert Apple Mac Mail, Microsoft Entourage Archive 2004/2008, Mozilla Thunderbird, RGE files, MBOX files, EML files to Outlook for Windows PST format.
GainTools PST Converter - GainTools PST Converter Software Download Free to convert Outlook PST in 8 Different file formats. Export & Transfer Email client from MS Outlook.
SysTools MBOX Converter - SysTools MBOX Converter tool repair & extract all email attachments from Mbox file & convert into data items of other email client application on Windows Platform.