The software has ability to split large and heavy PST files into multiple smaller parts. Split PST Tool divides complete Outlook mailbox like personal folder, journals, contacts, calendar, task etc into smaller files. Try Heavy Outlook PST split tool that helps users to split large Outlook PST file into smaller parts by Date, Year, Folder and Size. It permit you to split 50 emails from MS Outlook. Contented users can purchase full version at $49.