MS Outlook PST Merge - Version 3.1 Using MS Outlook PST Merge tool user can unite entire MS Outlook items like Contact Information, Emails Attachments, Task, Appointments and many more. While Combine multiple PST files tool can combine email header, folders, inbox, outbox, sent items, trash box etc. even as it also supports all the version of Outlook like: 97 to 2013 as well as Windows version from Win 8 to 98. You can check functionality and behavior of the software with free tool. Through free demo version you can resolve you quarry like:”how to synchronize PST file”. Therefore demo tool allow merging first three folders from each PST. After get fully satisfied with demo tool you can purchase its license version. For this you need to pay a little amount for Personal License at $69 and Business License $199 only.