There is very simple way for Splitting the PST files into smaller parts by using Ignissta PST splitter and Merger
software. This tool provides you the best and powerful method to easily Split PST files
by size, dates and emails ID and folder without any data loss and as well as maintaining data integrity for the user's safety. After using this PST Splitter tool to Split Outlook PST files, the speed of Outlook will increase and also Outlook corruption will be prevented. Not only this, After Splitting large PST files into small sizes you can also access those files on Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003, 2000, 2002, 98 and 97. The demo version is available free of cost, and you can split a large PST file with the first 50 items from every folder.