Eva09
New member
The best tool to merge multiple PST files is Aryson Outlook PST Merger tool. This tool comes with advanced features and filters that support all Windows OS and Outlook versions. The tool effortlessly merges multiple PST files into a single file at once. Additionally, the software combines all PST mailbox items such as emails, contacts, calendars, journals, etc. The tool has a feature to remove duplicate emails from the PST mailbox before starting the merging process and users can also add a password to newly created PST files after merging. This tool also has a free demo version and a simple user interface.