You can do it both ways: manually and with the use of an automated tool like Cigati MBOX Converter to understand both methods. Read the guide, Best Ways to Convert MBOX to CSV Format on Windows/Mac, which explores automated or free solutions for MBOX to CSV conversion. The manual method is time-consuming, has a risk of losing data, and requires technical knowledge. On the other hand, automated tools offer fast and efficient conversion with bulk support, advanced filters, support for attachments, etc. Read to explore the topic in more detail.