What are some alternatives?
When comparing GainTools PST to EML Converter and KDETools Outlook PST Converter, you can also consider the following products
Softaken PST Mailbox Converter - Convert Outlook PST files data to MBOX, EML, & MBOX with Softaken PST Converter
SysTools PST Merge - PST Merge Tool precisely join or merge multiple PST files in Outlook 2019, 2016, 2013, 2010
Regain PST to MBOX Converter - Easiest way to convert Outlook PST to MBOX file format.
GainTools PST to MBOX Converter - Convert Outlook PST Files to MBOX format for accessing emails in other emails clients.
Softknoll PST to MBOX Converter - Softknoll PST to MBOX Converter convert Outlook PST file to MBOX Supported Email Client.
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...