09-13-2025, 10:20 PM
If you want to import MBOX files into your ProtonMail account without hassle, the best way is to use a reliable third-party tool. One of the easiest solutions is the ATS MBOX Converter, which allows you to convert your MBOX data into a ProtonMail-compatible format or directly migrate to your ProtonMail account via IMAP.
Simply load your MBOX files, preview the mailbox data, and select ProtonMail/IMAP as the destination. The tool ensures that all emails, attachments, and folder structures are preserved during migration. It’s user-friendly, works with large MBOX files, and requires no technical expertise.
Simply load your MBOX files, preview the mailbox data, and select ProtonMail/IMAP as the destination. The tool ensures that all emails, attachments, and folder structures are preserved during migration. It’s user-friendly, works with large MBOX files, and requires no technical expertise.