Merge Outlook Data Files Tool

Best way to handle multiple PST files when unable to manage? We have currently SysTools PST Merge software solving this issue to merge multiple Outlook PST files in single PST. We exhibit an evidence link with software to merge 5 PST files into 1 PST file FREE that is DEMO version. V2.5 of Merge Outlook data file tool support Outlook 2010 (64 bit) so using tool users can merge PST data like: contacts, calendars, email journals etc.