Install the SameTools Outlook PST Splitter Software for the best services when splitting large PST files into many PST files. The basic layout of the application makes it simple to use. Users can utilize this tool to split large PST files by year, size, or folder. PST files can include the user's inbox and outbox, as well as items such as calendars, contacts, journals, and notes. This software makes it simple to split large PST files. Outlook PST works well with both ANSI and Unicode versions of the program. All versions of Microsoft, including 2003, 2007, 2010, 2013, 2016, and 2021, are compatible with this utility. Windows 11, 10, 8.1, 8, 7, and previous versions can all handle this software.