Finding best PST splitter tool to break Outlook PST files into smaller parts then you should try BitRecover PST Split Tool. This application help users to break Outlook PST files into Year, Date, & Size. Users can divide large PST files into smaller sizes such as 2 GB, 5 GB, 10 GB, and 20 GB. Users can organize Outlook data into separate PST files based on specific date range or year. With the advanced feature, users can choose specific folders or email-related criteria for more targeted splitting. It maintains original Outlook folder structure, including Inbox, Sent Items, Drafts, Contacts, and other folders. Users can split PST files without requiring Microsoft Outlook to be installed on the computer.