You can download Stellar MBOX to PST Converter 2.1 from the Stellar Data Recovery website or purchase it from authorized resellers. The software is available for a one-time fee, with no subscription or recurring charges.

Stellar Converter for MBOX (currently version 6.1) is a professional tool for migrating email data from over 17 MBOX-based clients to Microsoft Outlook's PST format. The software supports selective conversion, maintains original folder structures, and provides a preview functionality via a free trial. For more details, visit Stellar Data Recovery . Stellar Converter for MBOX

Supports over 17 MBOX-compatible email clients, including Thunderbird, Spicebird, Entourage, and Pocomail.