Freeware PST Splitter
Earlier versions of Outlook have bondage of saving data up to 2GB only because of its restricted PST limit. So, the easiest solution for splitting Microsoft Outlook PST file is by using PST splitter program. PST splitter split entire Outlook mailbox like journals, notes, contacts, calendar, task etc into multiple smaller parts. The software retains all metadata like cc, bcc, attachment, sent/receive etc intact during the process.