GainTools PST Merge is a software for managing multiple Outlook emails into a single file. It allows you to merge multiple Outlook PST files. Outlook PST merge is one of the simplest application youll ever have to deal with. The interface is a small window in which you can import multiple PST files by using either the file browser button. So all you have to do is arrange your Outlook PST files in the list and complete this task by clicking the Merge button. To sum things up GainTools Merge PST Software is straightforward easy to use for merging unlimited PST files and we strongly recommend it to all users. Free download GainTools Merge PST software and use all the functions free of cost. This application will support all version of MS Outlook as well as Windows operating system.