GainTools Merge PST Tool is a creative application that allows you to combine several PST files into a single Outlook data file. It supports both ANSI and Unicode PST formats & guaranteeing that no data is compromised throughout the merging process. When the software finds duplicate items, it keeps the original folder structure and properties. People can merge whole files or just certain folders with this feature. This program works correctly on computers running Windows. It is compatible with Outlook 2021, 2019, 2016 and earlier versions. The user interface is intuitive, allowing even novices to utilize it proficiently. In addition to saving time, this makes managing emails easier.