Yes, you can split PST files without having to install Microsoft Outlook. You can do this with an expert program like DataVare Outlook PST Split Expert program. You don't need to install Outlook while you are dividing because this software is made to run on its own. You can divide large PST files into smaller ones based on size, folder, or year without losing any data. All email attributes, attachments, and folder structure stay the same, which makes sure that the outcome is secure and correct. The tool is very simple to use, so both tech-savvy and non-tech-savvy people can utilise it. It also works with all PST file formats and versions of Outlook, so different users can utilise it in different ways. There is also a free demo version that lets you try out the features and performance before you buy.