The KDETools PST Merge is one of the best Software to join PST files in MS-Outlook. It merges various PST files such as Emails, Contacts, Calendars, Tasks and all. It joins PST files in all Version of Windows and Outlook. It removes Outlook PST files in MS-Outlook. It joins PST files without installing of MS-Outlook. It joins PST files in ANSI and also UNICODE formats. Merge only selected PST files or folder. It merges PST files with the free version to free download.
More Info: https://www.kdetools.com/pst-merge.html