PST Explorer - Version 1.0 Do you want to explore PST file without MS Outlook? SysTools offers an apt free PST explorer tool that will allow you to explore PST file items even if MS Outlook is not installed on your system. This free Outlook PST explorer software can proficiently explore all PST items such as: emails, contacts, calendars, tasks, journals and so on. Using this free Outlook PST explorer tool you can explore Outlook PST file data created using following MS Outlook versions:1- Using this free PST explorer, you can explore Outlook 2010 PST file2- Using this free PST explorer, you can explore Outlook 2007 PST file3- Using this free PST explorer, you can explore Outlook 2003 PST file4- Using this free PST explorer, you can explore Outlook 2002 PST file5- Using this free PST explorer, you can explore Outlook 2000 PST file.