How to Merge Contact Groups in Outlook

How to merge contact groups in Outlook? How to merge contact lists in Outlook? If you need to merge contact groups in Outlook then get solution with PST Merge management tool. The management tool allows you to merge contact groups into one group. The program is developed for the management of PST files and can merge the items within it. It is not only meant for to merge contacts groups in Outlook but calendars, inboxes etc.