KDETools PST Merger - The Best Tool

Merges Multiple PST Files and Folders of Outlook 2019, 2016, 2013, 2010, and 2007 to new or existing PST files.

Quick Overview – A Professional Outlook PST File Merger

  (Average Rating 4.5 Based on 19 Reviews)

KDETools PST Merger tool downloads easily and merges multiple PST files into one. The Outlook PST merger helps the users to consolidate multiple PST files and create a single PST file. You can also add data into the existing Outlook PST file.

  • Merges multiple Outlook PST files into one.
  • Add multiple PST files to Outlook at once (Add to Existing pst file).
  • Removes duplicate PST file items while merging batch PST files.
  • Merges Outlook PST files with all the items such as emails, contacts, calendars, notes, and tasks
  • Get a free preview of all your PST file before merging into a single PST file.
  • Merges contacts and calendars of PST files into new PST.
  • Merges any size of Outlook PST file (small, large or oversized).
  • The tool can join password protected Outlook PST files.

*Demo Version shows a complete preview of data but it merge first 30 items per folder.

PDF Installation     PDF Uninstallation    PDF End User License Agreement

Bundle Offer
PST Merge
PST Splitter

$99     $49

Reviewed by

Experts Exchange


"KDETools PST Merger is the best software I have come acrossed till now. You need to try this if you want to merge your files without losing or changing the data. It is definitely worth a try. Don't miss the chance to use the demo version before buying the full version."

Trust Pilot


"You need to try KDETools PST Merger as it is one of the best softwares that I have used till date. I did not face any problem while installing the software on my computer and liked the performance of the software. You can also view your entire data before the merging process begins. A big thumbs up to this software."


Key Features of KDETools PST Merge Tool

Merges Multiple Outlook PST files into One PST File

The Outlook PST merger helps the users to consolidate multiple PST files such as emails, contacts, calendars, notes, tasks, journals, and other data. To complete the process, the PST merger offers you a simple step process and by following the steps, you can add multiple PST files to Outlook at once.

Merges Any Size of Outlook PST File

The PST file merger software merges any size of the PST files. The user can add and merge any Outlook version (2019, 2016, 2013, 2010, 2007, and etc.) PST file, whether it is small, large or oversized into one PST file without any restriction.

Add Complete Folder to Merge the Entire PST File

The PST Merger is designed with advanced techniques, which allows the users to add PST file or add a complete folder filled with PST files and merges all the files into one. If you don't want any file from the folder, then you can use remove button to delete from the list of PST files.

Merges Contacts and Calendars

You are free to merge contacts and calendars of multiple PST files into a single Outlook PST file. The Outlook PST merger utility merges all the contacts and calendars in a folder of PST.

Preview of PST file without Microsoft Outlook

The user can take a free preview of the PST files before the merging process begins without Outlook. The tool has inbuilt KDETools PST Viewer software and the user can check the complete information of your file.

Supports All Microsoft Outlook and Windows Version

Outlook PST merge software is designed with easy-to-use techniques which allow users to excess this tool with any PST file of MS Outlook 2019, 2016, 2013, 2010, 2007 & older versions. This PST file merger software is compatible with Windows 2010, 2008/8.1, 2007 & etc.

Try 100% Safe KDETools Outlook PST Merger Tool

PDF Installation     PDF Uninstallation    PDF End User License Agreement

*Free download enables you to check PST file Merger and save initial 30 messages.

System Specifications

Support : Windows 10, 8.1, 8, 7 & all below Windows version
Processor : Intel® Pentium 1 GHz processor(x86,x64) or equivalent
RAM : 2GB of RAM is recommended
Hard Disk Space : Minimum 100 MB for installation is required

Note: If you need to customize PST File Merger or need additional features then, Contact Support staff

Supported Editions

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(32/64 bit), 2013 (32/64 bit), 2016 (32/64 bit), 2019
Support recovery of PST file of 32-bit & 64-bit New

Software FAQs

The user can merge 30 files using the demo version of KDETools.

  1. Run KDETools PST Merger on your system.
  2. Now, opt for the files you want to merge.
  3. Click on the 'Merge PST' file tab.
  4. Then, save the files at your desired location.
  5. Click on the 'Finish' tab.

The PST Merger demo version is free and the user need not pay a single penny to use it.

The user can merge unlimited PST files using the PST Merger as there is no file size limitation.

Yes, the user can get a free preview of the entire data before the merging process starts.
Yes, the PST Merger tool is compatible with all the versions of Windows.
No, even after the merging process is completed, the Email Meta Properties are not changed and maintains the original structure.
Yes, the user can merge the damaged PST files using the KDETools PST Merger.
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