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...
Kernel for PST Split - Split large PST file into smaller and manageable PST file with Kernel for PST Split Tool.
SysTools PST Merge - PST Merge Tool precisely join or merge multiple PST files in Outlook 2019, 2016, 2013, 2010
Cigati Outlook PST Splitter - Cigati Outlook PST Splitter to break, divide and split PST files by Size, Date, Year, Folder & Email address of the sender, PST File Splitter capable to split large Outlook PST files.
PST Merger - Merge pst files with free software that combines PST files into a single PST file.
Regain Outlook PST Merger - Merge Multiple Outlook PST Files into Single PST file