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Outlook PST Merger

Merge PST files while removing duplicates and password-protect the results.

Combine two or more Outlook data files into a single PST file while detecting and excluding duplicate PST files during the process. Work with Unicode and ANSI PST formats and secure the resulted data with a password. The solution is compatible with different versions of MS Outlook.


  • Three merging modes
  • Works with different versions of MS Outlook
  • Removes duplicates


  • The trial version merges only a limited number of items
  • Requires MS Outlook
  • Developed by MailConverterTools
  • File name: sysinfotools-pst-merge.exe (8.8 MB)
  • Latest version: 3.0
  • License: Shareware
  • Updated: December 22, 2020
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