The best MBOX converter tool I’ve come across is the GoldyTools MBOX Migrator Tool. It’s a powerful and versatile solution that goes far beyond basic file conversion. This tool supports exporting MBOX files to multiple formats and platforms, including:

PST, MSG, PDF, EML, EMLX, and TXT

Cloud-based email services like Gmail, Yahoo, Outlook, Hotmail, and IMAP

Whether you're switching email clients or backing up your data, this tool offers a seamless migration experience—complete with attachments.

Key Features That Set It Apart:
Multi-format conversion: Convert MBOX files to over 10 file formats and platforms.

Date range filter: Migrate only the emails from a specific period by setting a custom start and end date.

User-friendly interface: Designed with simplicity in mind—no technical expertise required.

No dependency on email clients: Migrate your MBOX data without needing to pre-install any email client.

Free trial version: Try before you buy—the demo lets you migrate up to 25 emails for free.

If you're looking for an all-in-one tool that’s both powerful and easy to use, the GoldyTools MBOX Migrator is a smart choice. It’s ideal for both personal users and IT professionals who need flexible, secure email migration.