How to Split .PST - Version 4.0 How to split .PST? Do you want to split large size PST files? Maximize Outlook pace? Use split PST software that enables to split heavy PST files as well as Meta data at moments, after splitting process Outlook action rapidly. Split PST Software because they are the one that can give the complete satisfaction regarding to this problem and you will never be disappointed having used their services. Now, Outlook splitter process has become very easy with the help of this DEMO Version and one can easily start their splitting process oneself. However, this demonstration will split any 15 large PST files like Journals, Calendar, To-do List, Contact Information, Appointments, and Task etc at a time. There will not be any problem in it and if you see it difficult to understand then you can get a chance of moving to this technical service centre (Support Section). Split Outlook archive tool support all the version of Outlook like - MS Outlook PST 97- MS Outlook PST 98