Download PST merge tool to merge PST and remove duplicates items. With this software you will easily merge all Outlook data like Emails, Contacts, Task, Calendar and etc. PST merge software is professional tool to merge outlook data so you will easily use it with all MS Outlook editions like 2013, 2010, 2007 and 2003 as well all Windows editions. Software provides 3 options to merge PST files like Merge PST, Join PST and merge Contacts folders.