PST Splitter Software - Version 2.2 Your oversized PST creating trouble in Outlook, the solution to your problem is here PST splitter software. PST splitter software splits Outlook PST file into small files which are creating problem in the Outlook. Large PST files can create trouble like slow processing and many more so the way out here is to split Outlook PST file. We can split PST in six different sizes. 256MB, 512MB, 1GB, 2GB, 3GB & 4GB. Earlier in ANSI PST file size allowed 2GB,means when the file size exceeds 2GB it creates problem but in UNICODE the size has been extended up to 25 GB. Now the question arises is how to split Outlook PST file?How to split Outlook PST file?PST splitter provides 3 ways to split Outlook PST file:• PST splitter by size. • PST splitter by date.• PST splitter by year.User can split Outlook PST file according to the user