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...
Remove Duplicate Messages for Outlook - Free and easy way to move, remove or delete duplicate messages in Outlook folders.
SysTools PST Merge - PST Merge Tool precisely join or merge multiple PST files in Outlook 2019, 2016, 2013, 2010
Kernel for Outlook Duplicates - Kernel for Outlook Duplicates software to detect and remove duplicate email items form Outlook mailboxes.
PST Merger - Merge pst files with free software that combines PST files into a single PST file.
Automatic Outlook Duplicate Remover - Automatic Outlook Duplicate Remover - the powerful tool to remove Outlook duplicates.