How Do I Split PST Files - Version 4.0 How do I split PST files? How do I manage Outlook? Explain here how you split large PST files which is extra large can definitely cause huge situations: older version of Outlook exceed size of Outlook where the actual limit of Outlook is 2GB. And newer version of Outlook also exceed size of Outlook where the size limit 20 GB and more; in both situations PST files could not be open, unable to received, unable to send and unable to move. This is extremely condition of Outlook, lethargic pace of work down. Now in such type situations split PST software is glucose of these all conditions. Now you can use and split heavy PST files into smaller fractions. Now you can manage your Outlook PST files and manage Outlook. Split large PST files supporting all Outlook and Windows Versions. Split PST software is one of the superb tool to split all items of Outlook like, contacts, calendars, to do list, task, inbox, journals, emails, attachments etc definitely split into small parts. How do I split PST files tool has 5 key:*Split PST files by size