MailsDaddy PST Split Tool is the most reliable and excellent software for breaking huge PST files. This PST file splitter smoothly and fastly breaks large PST files into multiple parts with full security. It offers various options for dividing overloaded Outlook PST such as Split by date, Split by folder, and Split by Email ID. The PST split software compatible with all MS Outlook versions including Outlook 2019, 2016, 2013, 2010, 2007, 2003, and all previous.