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...
Datahelp EML to PST Converter - EML to PST converter wizard allows users to convert multiple EML files to PST with all data like attachments. By using this tool users can perform conversion of EML files in batch & save into a single PST file.
Regain Outlook PST Merger - Merge Multiple Outlook PST Files into Single PST file
ZOOK MSG to EML Converter - Quickly bulk convert MSG to EML format to save multiple MSG files as EML format without Outlook.
Aryson Merge PST - Aryson Merge PST Tool allows to easily merge or combine more than two or multiple PST files into simple one PST file including all email items. It is one of the best software to merge PST files successfully.