Mailvita Split PST for Mac is a professional tool for dividing large Outlook PST files into smaller, more manageable parts. It supports several PST formats including ANSI and Unicode. It has a simple interface and ensures that splitting by size, date, or folder is both safe and efficient. This improves Outlook performance and data handling. It divides all Outlook PST elements such as emails, contacts, attachments, notes, tasks, journals, calendars and so on.