To save OST files to CSV file format, you can rely on the BitVare OST Converter for Mac & Windows, a professional solution designed to handle offline Outlook data with ease. The tool allows users to load their OST files directly and choose CSV as the output format, ensuring the extraction of key email metadata such as subject, sender, recipient, date, and more into structured CSV tables. With its user-friendly interface, batch conversion support, and accurate data mapping, BitVare OST Converter simplifies the process for both technical and non-technical users, making it ideal for email analysis, archiving, or migration tasks.