The KDETools Outlook PST Merger is the best and powerful tool that helps we can easily merge multiple PST files into single PST files within minutes and without losing any data. This merger merges various files such as emails, calendars, contacts, tasks, notes and all. This merger merges unlimited files. This Software merges the PST files without installing MS-Outlook. This Software supports all the Windows Version and Outlook Version.
More Details: https://www.kdetools.com/pst-merge.html