Merge PST Program is one of the most sophisticated and easy-to-operate apps of MailsClick which has been introduced to get rid of unnecessary data clutter by merging small PST files. The utility gives full control of data merge by offering various merge options. It merges desired PST files into one strong PST file. At the same time, It offers the flexibility to merge entire file data in similar folders or create a separate folder for each PST file. The merge application has various options to merge specific folders such as merge only tasks, merge only contacts, merge only journals, merge only notes and merge only calendars. The merged data is saved to the user's specified location. The utility retains the original structure of the merged data. All components of folders are merged including CC, BCC, To, From and Attachments. The application shows the path of each selected PST file. It has more than one optional features. The utility has ignored empty folders feature, allows users to merge multiple PST files and accepts password protected PST files to merge them. Order of the app is placed in three versions- personal, business and enterprise. The personal version is for two systems whereas business and enterprise for multiple users. The business version works in one location whereas the enterprise in multiple locations. Installation of the app is easy and quick. It doesn't need installation of Outlook to perform merge task.