KDETools PST Merge tool is a poweful tool that can effectively add multiple Outlook PST files into one PST without losing any data or information. The software has vaious advanced features like:

- Merge multiple PST into single PST including emails, tasks, notes, etc.
- Combine Archive and Password Protected PST files.
- Merge any size of PST file (Small, Large or Oversized).
- Removes dupliactes files and junk folders.
- Join Outlook PST without installing MS Outlook.