PST Merge Software

Efficient Utility to Merge Outlook PST Files into One PST

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Tool to Merge Multiple Outlook Data File (.pst) with Ease and Security Read More

  • Merge PST files with all data items i.e. emails, calendars, tasks, contacts etc.
  • Different merge option: Merge multiple PST files, Join PST files & Merge contacts
  • Provision to join password protected PDF files and network oriented PST files
  • Allows to remove duplicate items while merging Outlook PST files & folders
  • Supports merging or joining multiple PST files into a single folder
  • No 2 GB file size limitation on PST file: Combine any size Outlook data file
  • Facility to Split the resultant PST into MB/GB files accordingly
  • Join UNICODE and ANSI PST file into single UNICODE type PST file
  • Easily run the applciation via Standard or Guest user
  • Merge Outlook 2000, 2003, 2007, 2010, 2013, 2016 PST files


join pst files

Join Multiple Outlook PST Files

PST merger Tool permits users to join two or more large sized Outlook data files into one and generates separate folder for each PST file in the resultant folder. Read More

merge pst contact

Merge PST Contacts Folder Only

With the help of this PST Merge utility, one can easily combine all PST contact folders of multiple Outlook Data files into a single PST file. Read More

merge password protected pst files

Merge Protected PDF Files

The application provides the facility to join two or more PST files that are encrypted with a password. You will be provided text fields to enter the password and merge the PDF file in a hassle free manner.

combine remotely stored PST files through network

Integrate Network PST Files

For merging PST files held on other storage location, this PST Merge software provide function to join them as well. You can join PST files set on a network like a server or an another remote storage location. The files within the network will easily be merged into one PST on the Processing system.

merge pst files

Option to Merge PST Files

A user can use this PST file merge tool to combine all the similar folders such as inbox, drafts, sent items, contacts, notes, calendars, journals, tasks, and to-do list from multiple Outlook data files (.pst) into a single UNICODE PST file type. It means all common folders are created as one and all emails get combined in the respective folder to which they belong in the resultant PST file.

remove duplicate items

Allows to Remove Duplicate Items

When a user combine multiple PST files into one the Outlook PST Merge tool also provides users an option to merge PST without duplicates items, if any. One just needs to check this Remove Duplicates option in order to enable or disable the removal of PST file duplicates accordingly.

exclude deleted items

Option to Exclude Deleted Items

If a user does not want to include the deleted items folder in the combined PST file, then one just need to check the Exclude deleted item option. After enabling this option, the tool will not merge the deleted items folders in the resultant merged Outlook data file. However, it will help in decreasing the time required in merging the deleted items.

create new folder

Creates New Folder to Save PST File

After combining Outlook PST files, a user can save it on the local machine at any desired location. Moreover, if a user wants then, he can create a New Folder also from PST merger software panel and save the merged file into that folder. The tool will save the merged Outlook data file (.pst) with 'Outlook.pst' as a default name.

Watch Video to Combine Multiple PST Files into One PST

PST Merge Tool Box

System Specifications

  • Windows OS : Windows 11 (64-bit), 10, and below version
  • Processor : 1 GHz Processor (2.4 GHz is recommended)
  • RAM : 2 GB
  • Disk Space : Around 50 MB free space for installation
Product Details
  • Version: 6.0
  • File Size: 27.4 MB


Yes, it is possible to combine multiple Outlook PST files even when Outlook is in running state. However, a user must make sure that the PST files he wants to merge is not in use by Outlook.
Yes, a software can easily merge both UNICODE and ANSI type PST file but the resultant file format is the UNICODE type PST file.
Yes, a user can merge any number of Outlook PST files at any time without any hassle. One can add files either individually or in bulk based on their choice.
No, a user can not merge corrupted PST file with the help of this PST file Merger utility, but yes you can combine multiple large sized pst files into one UNICODE PST file. It joins only healthy PST file.


I appreciate the PST merger software, it combines my 5 PST files with entire data like emails, calendars, tasks, contacts, etc into a single PST file. It easily merges Outlook 2000, 2003, 2007, 2010, 2013, 2016 PST files. So, I recommended this software to merge & join PST files.

Abraham, Australia