pst file





SysTools PST Merge Tool

Want to merge / join PST files in a hassle-free way? SysTools PST File Merger 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. The Outlook merge tool is capable to combine both UNICODE and ANSI PST files into a single UNICODE file.

(Average Rating 4.3 Based on 681 Reviews)
  • Provides merge multiple Outlook data files with emails, contacts, calendars, etc.
  • Different merging options: Join PST Files, Merge Multiple PST Files & Merge Contacts
  • Allows to eliminate Duplicate items while merging various Outlook file and folders
  • Combines Unlimited Outlook PST files without any 2GB file size restriction
  • Capable to merge password protected and network Outlook files in a seamless manner
  • Permits to combine multiple archive .pst files irrespective of the size
  • Provides Split option to split Outlook PST files in MB/GB according to various sizes
  • Merge Outlook contacts folders from multiple Outlook PST files into one
  • Combine UNICODE and ANSI PST file into single UNICODE type PST
  • Works with MS Outlook all the editions: Outlook 2019/ 2016/ 2013/ 2010/ 2007 etc.
  • PST Merge tool maintains the Data Integrity when consolidating multiple Outlook files
  • Compatible Windows Operating system all the versions: Windows 10/8.1/8/7 etc.

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

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Spectacular Features of SysTools PST Merge Software

Different PST File Which Can Be Merged Using Outlook Combiner Utility

different pst files

Combine Different Types of Outlook Files

  1. Active Outlook Files: One can easily merge or join active as well as orphan PST files with the help of the SysTools PST Merge tool.
  2. 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 duplicate present on the network directly from the software’s interface.
  3. 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 join multiple Outlook data files with password - protection.
  4. Archive PST Files: One can also combine PST archive files with the help of the PST Merge utility without any file size restriction.

Key Features of Outlook PST File Merger Tool

With SysTools PST Merge Tool, one can easily join different Outlook data file by creating a fresh folder for the merged Outlook file. While joining the Outlook files, the software provides various options such as:
  • Split PST File
  • Exclude Deleted Items
  • Select Desired Destination Location
merge PST files
Merge multiple PST files for easy management of tons of scattered Outlook data files (.pst) in a few clicks via SysTools PST Join utility. The PST File Merge tool permits the user to merge different PST files into a single Outlook without any file size limitation. While merging two or more PST files, the user can select various options:
  1. Remove Duplicates
  2. Exclude Deleted/Trash Items
  3. Split PST File
  4. Save Resultant PST file at any location
pst file merger
Organize multiple PST contacts by merging them into a single PST file via SysTools PST Merge. With this utility, the user can easily join multiple PST files (contacts) without any data loss or security breach issue. Different options provided by the software while merging Outlook contacts are:
  • Split PST File
  • Remove Duplicates
  • Save Resultant Contacts File at the Desired location
merge outlook contacts

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

Merge Outlook Emails One can easily merge multiple Outlook data files via the software such as:
  • Merge multiple PST files into one of 2 different accounts
  • Combine multiple archive .pst files
  • Integrate Outlook Backup Files
  • Merge Outlook Inboxes, Sent Items, Sub Folders
  • Merge two Outlook Inbox Folders
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:
  • 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 Multiple Outlook Data Files Without Any Data Omission

 combine without data loss

Merge Password Protected PST Files

The situations become complicated when a user needs to merge the password protected Outlook PST files. But, with PST Merger, you can merge encrypted Outlook files in a hassle-free way. The software permits the user to enter to the password and then merge PST files them.

network pst

Integrate Numerous Network PST Files

With SysTools Combine PST Files 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. The combine PST files 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 multiple 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 outlook archives

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. Thus, to make join multiple PST files, a simple task, the user can make use of SysTools PST Merge tool to combine multiple PST archive files in a single PST.

no duplicates

Merge PST Files Without Duplicate

The software permits users to merge multiple PST files and remove duplicates using 9 different options. One can remove the duplicates by selecting the email fields options that are Subject, Body, To, From, Transport Message Header, From, Attachments, CC, BCC, and Internet Message-ID.

data integrity

Preserve Data Integrity of Outlook Files

The combine PST files software is designed with advanced functionalities and robust security algorithms. Moreover, the program also maintains the data integrity of PST files while merging Outlook PST files or contacts. It provides a simple graphical user interface that allows all technical and non-technical users to easily merge Outlook data files.

remove duplicate contacts in outlook

7+ Options to Eliminate Duplicate Contacts

The PST File Merge tool permits the user to select different options to merge Outlook contacts. One can merge or remove duplicate contacts in Outlook. The user can select the contacts field as per the choice to eliminate duplicate contacts. One can choose First Name, Last Name, Company, File As, Email ID, Email ID 2, Email ID 3, IM Address, Group Name, Group Members.

combination outlook files

Join and Merge Combination of Outlook Files

One can also work with different combinations of PST files and join/merge them as per the requirement. One can easily join or merge PST files with combinations such as using PST file merger.

  • Active PST + Password Protected PST
  • Encrypted PST + Password Protected PST
  • Active PST + Encrypted PST
  • Active PST + Archive PST
  • Archive PST + Password Protected PST
  • Archive PST + Encrypted PST
Outlook PST File Merge Software Specifications
Securely Download Combine PST Files Software Demoware

Software Download

Size : 8.5 MB

Version : 4.0

Trial Limitations


Demo version of Merge PST Files software limitation:

  • Join PST Limit: Join the initial 2 folders of each PST file.
  • Merge PST Limit: Merge only first 15 items of each folder of PST files.
  • Merge Contacts Limit: Merge only first 15 items of each folder of PST files.

System Specifications

Hard Disk Space
50 MB of free hard disk space

Minimum 2 GB RAM is required

Intel® Pentium 1 GHz processor (x86, x64) or equivalent

Operating System

Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)

MS Outlook – Outlook 2000, 2003, 2007, 2010, 2013, 2016 (32/64 bit), 2019


  • Microsoft Outlook should be installed and should be configured properly for any valid or dummy profile/account (Not Configured for Exchange) to integrate 2 PST files.
  • If you are using Windows 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator"

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, Windows 7/8/8.1, 2008/2012 (32-bit & 64-bit), Windows 10 (32-bit & 64-bit)
  • PST file of MS Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64 bit), 2019

Additional Requirements

  • Microsoft .NET framework 4.0




Electronic Delivery


Order Now to Outlook Merge Tool
Get an Overview of PST Combiner Software - DEMO & Licensed Version
Features DEMO Version FULL Version
Add Multiple PST Files
Remove duplicate Emails
Merges Password Protected Files
Combines Network & Archive Outlook Files
Exclude Deleted Items
Join Outlook PST Files Join First 2 Folders All Items
Merge Outlook PST Files Merge First 15 Items All Items
Merge Outlook Contacts Merge First 15 Contacts All Items
Support ANSI & Unicode PST
Cost FREE $39
Frequently Asked Questions Asked by User
Merge Multiple Outlook PST Files Using PST Join Tool
How can I combine PST files using SysTools PST Merge software?

Outlook PST Merge Tool

    The utility works in the following way to merge PST files:

  • Step 1: Download & Run PST File Combiner Tool
  • Step 2: Select Add files or folder option to add PST data files
  • Step 3: Select any of the options: Join PST, Merge multiple PST & Merge contacts
  • Step 4: Next, click on Merge PST files
  • Step 5: Now, the software generates a Progress report
  • Step 6: You can now view the Merged PST data files into Outlook 2019, 2016, 2013, 2010, 2007
With Join option, the user can easily join all the Outlook files into one file by creating a separate folder for each PST within the resultant PST. On the other hand, merge multiple Outlook data files and create common folder as one folder with the Merge PST option.
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 of PST files even after the merge or combine multiple Outlook data files process.
No, the PST Merge Tool permits the user to merge multiple PST files into one without any file size restriction.
Yes, the PST Joiner provides Remove Duplicates option with different criteria to remove duplicates.
Yes, with SysTools PST Converter is capable to merge multiple Outlook PST files with password - protection. The user has to enter the password associated with the PST file and the software will merge the files.
Yes, the software 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 10/8.1/8/7/6 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 software supports all different types of Outlook PST files. You can easily merge archive PST files without any glitches.
Yes, you can easily merge bulk PST files into a single PST file using this PST Merge software. Just select Add files or folder option to add PST files in the software panel.

"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 upadted one. However, you can merge archive pst files with the help of PST merger 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 single file.

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