PST Splitter - Version 1.02 A free tool to split pst files and archive Outlook data automatically even if Microsoft Outlook is closed. Split Microsoft Outlook data file to multiple PST files. Split PST files according to selected criteria and filters using PST Splitter Pro Edition. Choose a suitable splitting option whether to move or copy Outlook data to a new PST file. Move data from the existing PST file to a new one, or copy data and keep it in both files.The PST Splitter Free version is more advanced than the default Microsoft Outlook AutoArchive feature. The difference is - using AutoArchive, Outlook must be open in order to run the archiving process. With PST Splitter, the files will be archived according to a schedule regardless of whether Microsoft Outlook is running or closed.Auto organize Outlook data by splitting the large PST file into smaller files and move them to separate Archive files available within Outlook. Reduce the size of your PST file, avoid reaching 2GB limitation and increase Outlook performance.