Rating (4.9/5) Based on 89 Reviews

Software Compatible with

  Outlook 2019  |    Windows 10

PST Merger Tool

Advanced tool to merge/join/add multiple PST or OST files including Notes, Folders, Contacts, Calendars, Subfolders, Tasks, and etc. into a single Outlook PST/OST file.

  • Tool consolidates multiple Outlook files into one safely
  • Advanced software adds numerous PST or OST files at once
  • PST Merger eradicates duplicate Outlook files while merging Batch Outlook PST or OST files
  • Merge PST files including all the items such as folders, subfolders, contacts, calendars, emails, notes, and tasks.
  • Preview all emails with attachments before saving
  • It has a 'Preview' feature that allows the user to view the files before merging into an individual PST file.
  • Software consolidates PST/OST Contacts and Calendars into a new PST.
  • Joins any size of Outlook PST/OST file whether it is small or oversized
  • Tool can merge orphaned, deleted, highly-encrypted, password protected Outlook PST/OST files.

* Demo Version allows user to Complete preview data & allow to merge only 30 items each folder

Expert Review


It is a comprehensive software that merges multiples PST files into single PST file without changing the hierarchy of original PST files


This dedicated software is a reliable solution that join several PST Files into a single Outlook PST file within a fraction of seconds.


EXTRA BENEFITS of PST Merger Software

Merge Multiple PST or OST Files Into An Individual File

The PST Merger consolidates multiple PST/OST files such as emails, notes, tasks, journals, contacts, calendars, and other data into an individual file. The user can easily merge numerous PST/OST files into one by following a few simple steps.

Merges Any File Size of Outlook PST/OST

There is no file size restriction and the user can merge any file size of Outlook PST/OST files. By using the tool, the user can merge any file size irrespective of its size such as oversized, large, and small.

Add An Entire Folder Into A Single PST/OST File

The advanced PST Merger enables the user to add an entire folder and consolidate it into a single PST/OST file without any hassle. The user can eliminate the files from the folder which they don't want to merge by just clicking on the 'Remove' tab.

Merge Contacts And Calendar

The user can easily merge the contacts and calendars of PST files into an individual Outlook PST/OST file. The PST Merger joins all the calendar items and contacts into a single PST file after performing the merging process.

Remove Depulicate Items while merging PST/OST files

The user can remove duplicate items while processing of merge PST/OST files. The user can merge multiple PST/OST files into a single PST file without downloading Outlook on their operative system. Downloading Outlook is not mandatory and makes the entire process of Merging the files easier.

Supports All Versions Of Windows & Outlook

The PST Merger is compatible with all the versions of Outlook and Windows. The tool supports all the version of Outlook such as 2019, 2016, 2015, 2014, 2013, 2010, 2007, and below versions. The tool is compatible with Windows versions such as 2019, 2017, 2015, 2013, 2010, 2008/8.1, 2007, and etc.

Software Specifications

Software Download

Size 5.0 MB
Version 2.0

Demo Limitation

Demo version allows you to generate Preview of contents of data & Merge only 30 Items per Folder

System Requirement

1GHz processor

Minimum 512 MB of RAM

Hard Disk
Minimum 50 MB Free Space HD

Operating System

10, 8.1, 8, 7, Vista, XP, 2000, 98, NT Windows Server 2016/2012/2008 R2/2008/2003 R2/2003 (32-bit & 64-bit)

MS Outlook Versions

MS Outlook
2019/2016/2013/ 2010/2007/2003/2002/2000/98 and 97

Software Delivery


Steps for PST Merger

Merge PST/OST is a advanced tool to merge multiple PST/OST in a few steps. This tool process as several PST files as you want. For better understanding, have a look at screenshots of the software:


Frequently Asked Questions

How do I combine multiple PST files using PST Merger software?

To combine multiple PST files, use the following steps:

  • Run PST Merger software.
  • Select PST file(s) or add folder containing PST files.
  • Check Preview of all PST mailbox.
  • Set destination to save PST file
  • Click on 'Merge PST Button' to start this process.
Can I remove duplicates while merging PST files?

Yes, PST Merger Remove Duplicate Items option with different criteria to remove duplicates.

Does the tool merge password protected PST files?<

Yes, with PST Merger is capable to merge multiple PST files with password - protection.

Trusted By:

   texas instrument.   staffordshire   sbcounty   siemens More Clients