To batch convert multiple NSF files to PST format efficiently, you can use the Aryson NSF to PST Converter tool, which is specially designed for migrating IBM Lotus Notes data to Outlook. This professional software supports bulk conversion of NSF files while maintaining original email formatting, folder structure, and attachments. It simplifies the process with a user-friendly interface and handles large-sized NSF files without data loss. The tool ensures a smooth transition to PST format, making it an ideal solution for users looking for reliable, automated migration from Lotus Notes to Outlook.