pst merge tool





SysTools PST Merge Tool

Want to merge / join PST files without duplicates? SysTools PST Merge tool will help you out to merge multiple PST files together into a single Outlook file. One can use this utility to merge PST files without any size, data loss, and security issues.

(Average Rating 4.8 Based on 944 Reviews)
  • Allows user to merge Outlook Mails, Calendars, Contacts, Tasks, Journals, Notes
  • Two Different merging options available: Merge PST Files and Join PST Files
  • Supports to join or merge PST files in New PST File, Existing PST File or Outlook ProfilePST Merge Tool
  • Provides Search Files option to effortlessly search for a specific PST data filesPST File Merge Tool
  • Capable to merge archive PST, password protected, active and network Outlook files
  • Advance Option to merge only selected folders to save user's time and effortsOutlook Mail Merge
  • Comes with simple user interface to combine multiple PST files of different account
  • Provides Split option to divide Outlook PST files in MB / GB according to various sizes
  • Allows to remove Duplicates from Mail, Notes, Calendar, Contacts, etc., while mergingPST File Merge Tool
  • Merge Outlook contacts folders from multiple Outlook PST files into one
  • Combine UNICODE and ANSI PST file into single UNICODE type PST
  • Advanced option to merge or join multiple PST files with or without Outlook installationMerge PST
  • Maintains folder hierarchy while merging or joining Outlook data files into a single one
  • The Outlook data merger software supports Windows 10 and Microsoft Outlook 2019

Free Live Demo - SysTools PST Merge Tool Fully Secured Download Version

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Spectacular Features of SysTools PST Merge Software

Different PST File Which Can Be Merged Using the Best Utility

merge different pst files

Combine Different Types of Outlook Files

  1. Archive Files: One can also merge archive PST files with the help of this Outlook merger utility without any file size restriction.
  2. Password Protected PST Files: The user can also merge password protected PST files via the utility. One just has to enter the password associated with the PST file and the program will combine multiple PST files with password - protection.
  3. Active Outlook Files: One can easily merge or join active as well as orphan PST files with the help of the SysTools PST File Merge tool. To do this, Outlook must be configured and make sure that the Outlook application is not opened or used when merging PST files. To simplify this, you can simply copy the PST file and paste them on your local system.
  4. Network PST Files: Sometimes, the need arises to merge multiple PST files present on a network such as Server. The user can also merge PST files without duplicates present on the network directly from the software’s interface.

Key Features of Outlook PST Merge Tool

Merge multiple PST files for easy management of tons of scattered Outlook data files (.pst) in a few clicks via SysTools PST Joiner utility. The PST File Merge tool permits the user to merge similar folders into a single PST file without any file size limitation. While merging two or more PST files, the user can select various options:
  • Merge PST files in New / Existing PST or Outlook Profile
  • Merge Only Selected Folders
  • Remove Duplicates
  • Exclude Deleted Items
  • Exclude Junk Folder
  • Divide Large Sized PST Files
merge pst files
With SysTools PST Merge Tool, one can easily join multiple Outlook data file by creating a fresh folder for the joined Outlook file and easily manage multiple PST files in Outlook. While joining the Outlook files, the software provides various options such as:
  • Join PST files into New, Existing PST file or Outlook Profile
  • Join Only Selected Folders
  • Split Outlook PST File
  • Exclude Deleted Items
  • Exclude Junk Folder
join PST files

What All Items You can Merge / Join In A PST File?

Merge Outlook Emails One can easily merge Outlook data files via the software such as:
  • Merge multiple PST files into one of 2 different accounts
  • Merge archive PST files
  • Combine Outlook Inboxes, Sent Items, Sub Folders
  • Merge two Outlook Inbox Folders
  • Merge multiple email accounts in Outlook
Merge Calendars One can easily combine Outlook calendars files using the tool.
  • Merge Duplicate Meetings Calendar
  • Combine Two appointments in Outlook Calendar
  • Merge two Outlook calendars together
Combine Contacts The software permits users to merge multiple Outlook contacts folders:
  • Merge Outlook Contact Groups
  • Combine Two Outlook Address Books
  • Merge Outlook Contacts Into One
Other Items Combine Other Items
  • The software is also capable to merge Outlook Notes, Tasks, and Journals

Prominent Features of SysTools PST Merge Utility

Combine PST Files Outlook 2019, 2016, 2013, 2010 Without Any Data Omission

merge pst files

Merge PST Files With Different Options

The software offers three different and advanced options to merge multiple PST files into one. The user can choose one of them that meets his needs.

  • Merge in New PST File
  • Merge in Existing PST File
  • Merge in Outlook Profile

join pst files

Join PST Files Together

The Outlook PST Merge Tool enables the user to join multiple PST files with an efficient manner. It provides a simple graphical user interface that allows all novice users to easily merge Outlook data files. The software offers two different options for this.

  • Join into a New PST
  • Join into Existing PST
  • Join into Outlook Profile

merge password protected pst

Merge Password Protected PST Files

The situations become complicated when a user needs to combine the password protected Outlook PST files. But, with PST file merger tool, you can merge password-protected files without having to enter the password. The software permits the user to join or merge Outlook data files without any restrictions.

network pst

Integrate Numerous Network PST Files

With this tool, one can easily merge various Network PST files into a single PST file. The program allows the user to fetch Outlook files stored on a network such as a server and then merge multiple PST files into one directly from the dashboard.

active / orphan pst

Combine Active / Orphan PST Files

In some scenarios, the user needs to merge active or orphan Outlook files. This tool makes it possible for the users to merge active as well as orphan PST files in a seamless way. The software is capable to merge Outlook data files into a single PST file whether Active or orphan irrespective of the Outlook version i.e. Outlook 2019, 2016, 2013, 2010, 2007 and all the below versions.

merge archive pst files

Combine Multiple Archive .PST Files

Outlook users archive PST files to create the backup. Sometimes, the user has to merge archive PST files into a single Outlook file due to various factors such as insufficient storage, etc. In this way, the user can use the SysTools PST Merge tool to combine Outlook archives without any glitches.

merge outlook pst files

Join / Merge Only Selected Folders

The software allows users to merge PST files without duplicates and size restrictions. It offers the option to merge selected folders so that users can only join the folder that they actually want to merge or join. This option is useful for users who don't want to merge all Outlook folders. Just check the required folder and merge multiple PST files into one in a matter of minutes.

maintain folder hierarchy

Maintains Folder Hierarchy

The software to combine PST files is designed with advanced functionalities and robust security algorithms. Moreover, the program maintains the data integrity and folder hierarchy of Outlook files while merging Outlook .pst files into single one. After the merge process is complete, the status "Read" and "Unread" remain unchanged.

remove duplicate outlook items

Options to Remove Duplicate Items

The PST Merge tool permits the user to select different options to merge PST files and remove duplicates. One can merge or remove duplicate contacts in Outlook 2019, 2016, 2013, etc. The user can select the Mail, Contact, Calendar, Task, Notes and Journals Field as per the choice to eliminate duplicates.

  • Mail: Subject, Mail Body, To, From, Cc, Bcc, Attachment, Sender Name, Internet Message ID, Sent Date
  • Contact: Full Name, Email Address, Mobile Number, Job Title, Categories, Company, Birthday
  • Calendar: Subject, Start Date, End Date, Attachment, Categories, To, Cc, Bcc, From , Location
  • Task: Subject, Start Date, Body, Due Date, Categories, Companies, Status, Attachment
  • Notes: Body, Categories, Creation Date, Size
  • Journals: Subject, Start, Attachment, Body, Categories, Entry Type, Company

join multiple pst files

Apply Filters to Merge or Join PST Files

This is one stop solution to join multiple PST files. One can easily merge Outlook data files by applying filters. Select the items types like Mail, Calendar, Task, Contact, Journal, Notes as per the needs. With this tool, you can also specify date range to combine PST files. You only need is just select the Start Date and End Date for specific result. The software also offers advanced option to make the merging Outlook .pst files into single one more easy for the users.

  • Split PST File Size
  • Exclude Deleted Items
  • Exclude Junk Folder
  • Specify Date Range
  • Skip Duplicate Items
Merge Outlook PST Files Software Specifications
Securely Download PST Merge Tool Demo Version

Software Download

Size : 26.4 MB

Version : 5.0

MD5 : 3125bffdc26fff6c6376477150431a31

Trial Limitations

Demo version of PST Merge software limitation:

  • Join PST Files Limit: Join only first 15 items of each folder of PST files.
  • Merge PST Files Limit: Merge only first 15 items of each folder of PST files.

System Specifications

Hard Disk Space
100 MB of free hard disk space

Minimum 2 GB RAM is required

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz


  • Microsoft .NET framework 4.5 or above should be installed.
  • If you are using Windows 10 / 8.1 / 8 / 7, then please launch the tool as "Run as Administrator".
  • To Merge PST Files into Existing PST and Existing Outlook Profile, MS Outlook should be installed and configured
  • Make sure that the PST files should not corrupted and not in use by any application.

Supported Editions

  • Microsoft Windows – Win 7 / 8 / 8.1 / 10 (32-Bit & 64-Bit) & Windows Server 2003 / 2008 / 2012
  • Microsoft Outlook – 2019, (32-Bit & 64-Bit), 2016, 2013, 2010, 2007, 2003, 2000




Electronic Delivery


Software Customization

If you need to customize PST Merge tool or need additional features then, Request Quote

Order Now to Outlook PST Merge Tool
Get an Overview of PST Combiner Software - DEMO & Licensed Version
Features DEMO Version FULL Version
Add Multiple PST Files
Remove Duplicate Emails & Contacts
Merge Password Protected Files
Combine Network & Archive Outlook Files
Exclude Deleted Items
Exclude Junk Folder
Apply Filters
Merge All / Only Selected Folders
Search For PST Files
Join PST Files Join First 15 Items All Items
Merge PST Files Merge First 15 Items All Items
Support ANSI & Unicode PST
Cost FREE $39
Frequently Asked Questions
Merge Multiple PST Files - Microsoft Outlook 2019, 2016, 2013, 2010, 2007
How can I merge PST files into one file using SysTools PST Merge software?

Outlook PST Merge Tool

Follow these simple steps to merge or join multiple PST files into a single PST file:

  • Step 1: Download & Run PST Merge Tool
  • Step 2: Select Add Files or Folder
  • Step 3: Select any of the options: Merge or Join
  • Step 4: Select Options: Merge in New PST File, Existing PST File & Outlook Profile
  • Step 5: Check the Split Duplicate Items option to remove duplicate Emails, Contacts, Calendars, Notes, Tasks and Journals
  • Step 6: Click on the Next button.

Now, you can view the PST data files into Outlook 2019, 2016, 2013, 2010, 2007

With Join option, the user can easily join multiple PST files into one by creating a separate folder for the joined PST files. On the other hand, merge multiple Outlook data files and create common folder as one folder with the Merge PST option. For example: you have multiple inbox folder and you want merge them into one folder, then Merge option will help you for the same.
Yes, one can easily merge / join PST files without duplicates located on the server or any other network.
Yes, the software preserves the data integrity and folder hierarchy of PST files even after the merge or combine PST files process.
No, the PST Merge Tool permits the user to merge multiple PST files into one without any file size restriction.
Yes, the tool can merge multiple Outlook PST files with password protection. The user does not have to enter the password to merge PST files with this software.
Yes, the application provides Exclude Deleted Items option which makes easy for the user to eliminate the deleted/trash items while the merge process.
Yes, the PST Merge utility is compatible with Microsoft Outlook and Windows Operating system all the versions. One can work with PST files of Outlook 2019 / 2016 / 2013 / 2010 etc. on Windows 10 / 8.1 / 8 / 7 and all the lower editions.
No, the program is developed with strong security algorithms to merge multiple PST files into one. So, there is no chance of data loss or security breach issue while working with the tool.
Yes, the tool supports all different types of Outlook PST files. You can easily merge archive PST files without any glitches.
This tool enables the user to scan minor corrupted PST files and merge them into one. If you have highly corrupted PST files, then first you need to repair corrupt PST file with Outlook Recovery Tool and then merge it.
The software generates a report in .csv file format in which all merged elements are displayed. A separate report for duplicate items and failed data items is also generated.
Yes, the tool allows you to merge multiple Outlook PST files and split them into MB or GB according to your requirements. The software offers the possibility to divide Outlook data files into 200 GB.
Yes, Outlook PST merge software lets you merge two or more PST files into one without duplication and data loss problems.
With the help of PST file merger tool, you can combine two or multiple inbox folders together into one folder in Outlook 2019, 2016, 2013, 2010, and all earlier versions.
Yes, With the option "Merge in New PST" you can easily merge multiple Outlook PST files without installing Outlook application.
No, Outlook does not grant permission to import or add multiple PST files at the same time. First you can merge PST files together into one PST file and then you can easily import PST file into Outlook.
Yes, it is easy to merge two Outlook email accounts using the PST Merge tool. This software will allow the user to merge multiple email accounts in Outlook without losing individual data.

"Recently, one of my client has requested me to provides solution that how can he merging two Outlook PST data files into 1. My client have around 30+ PST files. Is there any solution available which I can suggest him to use?"

Merging of Outlook data files is really the one of the major headache of Outlook user occurs preferably when switching from one Outlook version to the updated one. However, you can merge archive PST files with the help of PST Merge software. You do not need to worry about the version as it is capable to merge multiple PST files into one in Outlook 2019, 2016, 2013, 2010, 2007 etc.

"Being the head of product research team, I have to manage two different email accounts one for business email and other for internal communication purpose. Recently I have promoted to vice president of the company. I am looking for the solution to merge contact list of Outlook. Is there any solution which helps to achieve this in minimum time. "

You can try SysTools PST file merger software which also provides the functionality to merge two contact list without any issue. It also provides the feature to remove duplicate contacts while joining into a single file.

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