SysTools PST Merge - PST Merge Tool precisely join or merge multiple PST files in Outlook 2019, 2016, 2013, 2010
ReliefJet Essentials for Outlook - A large set of useful and easy-to-use tools for every Microsoft Outlook user: Import, export and convert using EML,MSG,TXT and PST formats; remove duplicate items, process attachments and extract addresses; get reports and statistics and even more...
EML to PST Converter - EML to PST Converter is an ultimate email conversion and migration tool.
Kernel for PST Split - Split large PST file into smaller and manageable PST file with Kernel for PST Split Tool.
Import Messages from EML Files - Free and easy way to import messages from EML format files to the specified Outlook folder.
PST Merger - Merge pst files with free software that combines PST files into a single PST file.