Best PST Merger Software in 2025

PST Merge Tool precisely join or merge multiple PST files in Outlook 2019, 2016, 2013, 2010.

Key SysTools PST Merge features:

User-Friendly Interface Multiple Merging Options Duplicate Removal Compatibility

Cold Email Infrastructure, Simplified.

Key Mailpool features:

Efficiency User Friendly Customization Scalability

Visit website freemium $2.5 / Monthly (Per inbox)

Download PST Merger Software to combine multiple PST files into one PST file. This is a perfect solution to attach password protected PST file into a single PST file. It allows users to skip the duplicate items while merging two or more PST files.

Key MailsDaddy PST Merge Join Tool features:

Multiple Merge Options Duplicate Removal No File Size Limitation Preserves Folder Structure and Metadata

freemium $49.0 / One-off (for Two Systems)

Download Softaken Merge PST software and combine multiple PST files into one PST.

Key Softaken Merge PST features:

Ease of Use Compatibility Selective Merging Data Integrity

freemium $29.0 / One-off

PST Merge tool for Mac combine or join multiple PST files into single Outlook PST file by date, size, year. Download free PST merge tool to join PST files.

Open Source freemium $49.0 / Usage

macOS High Sierra brings new forward-looking technologies and enhanced features to your Mac.

Key macOS features:

Integration with Apple Ecosystem User Interface and Design Security and Privacy Optimized Performance

With the help of SysInfo PST Merge Tool user can easily merge multiple PST files in a single PST file. The Users are able to remove the duplicate data files and exclude the deleted Outlook items from the resultant file.

Key SysInfo PST Merge features:

Ease of Use Supports Multiple Versions Preserves Data Integrity Advanced Features

freemium $59.0 / One-off (Processor: Pentium Class, Memory: Minimum 256 MB)