GainTools EML to MBOX Converter is a robust utility designed to seamlessly migrate EML files to MBOX format. Both individuals and professionals can easily run this software. The tool supports bulk EML file processing with 100% data integrity. It accurately transfers email messages while retaining metadata (to, cc, bcc, subject) and formatting. It can easily convert EML-based email clients such as WLM, Outlook Express, and others to MBOX-supported email clients, including Thunderbird, Apple Mail, SeaMonkey, and more.

Key features of this utility:

1. This tool has no limits on the file size.
2. With batch support, it can convert a large number of EML files into MBOX format.
3. This tool keeps the original email structure and folder hierarchy.
4. There is no need to install any external tool on your PC.
5. Provides a free demo and 24/7 technical support.