Merge Two PST files Outlook 2007

Merge Outlook 2007 two PST files by SysTools PST Merge as it is the best shareware which can merge PST files in Outlook with security. The best feature is that it will not make changes in the Meta data when merge two PST files Outlook 2007 and it will also upgrade the entire database when merge Outlook 2007 two PST files so, that merge two pst files Outlook 2007 easily.