Salient Features

Describes all the brilliant features integrated into the PST merge software.

Merge Multiple PST Files

Merge Multiple PST Files The PST Merging tool from Kernel can smoothly merge two or more PST files into one single PST file without any data loss or interruption. The output PST files will have all the mailboxes, features, and properties of merged PST files.

Two Different Options for Merging PST Files

Two Different Options for Merging PST Files Kernel Merge PST gives you two options to merge PST files. With the “Merge” option, you can merge data into a single PST file, whereas with the “Join” option, you can merge data in a single PST file while keeping separate folders.

Merge only Selected PST Folders

Merge only Selected PST Folders This tool gives you the freedom to merge only selected folders of PST files. Just uncheck the folders that you do want to merge with another PST.

Merge Every Item of PST Files

Merge Every Item of PST Files With Kernel Merge PST, you can merge every item of a PST file, including emails, contacts, calendar, tasks, etc. There are checkboxes in filter page where you can choose each feature directly.

Merge Any Number Archive PST

Merge Any Number Archive PST The software can be used to merge all kinds of Outlook PST files even archive PST files. There is no restriction on the number of archive PST files for the merging process.

Merge Password-Protected PST Files

Merge Password-Protected PST Files This tool is designed in such manner that users can even merge the PST files protected with any sort of password without any need of removal. It also merges PST files available on network.

Join Unlimited PST Files

Join Unlimited PST Files Using this software, users can join any number of PST files whether protected or archived files into one PST file. The joined PST file contains all the added PST files as the separate folders.

Advanced Filtering Options

Advanced Filtering Options With advanced filters of Kernel Merge PST, you can merge specific items of a PST file, such as Emails, Tasks, Calendar, Contacts, etc. Also, you can merge data between a particular period.

Filter Items by Date Range before Merging

Filter Items by Date Range before Merging With Kernel Merge PST, you can set a specific date range for items before merging your PST files. It means if you want to merge items between the time period March 2015 to Dec 2017, then it can easily be done with the Kernel Merge PST tool.

Merge to Existing or New PST file

Merge to Existing or New PST file The tool offers two saving options to merge or join multiple Outlook PST files. One option is to move the merged files to the new created PST file. And the other option is to save the merged PSTs to an already existing PST on your system.

Skip Duplicate Items

Skip Duplicate Items This tool allows users to skip duplicate items in PST files, which means if you have same emails/items in the PST files, then it will not merge them into the new PST file.

Support Every Version of MS Outlook

Support Every Version of MS Outlook This software support PST file of every MS Outlook version, including Outlook Office 365, 2021, 2019, 2016, 2013, 2010, etc.

What needs doesPST Merger tool fulfill?

Kernel Merge PST can fulfill the following needs:

  • Merge two or multiple PST files into one.
  • No file size limitations to merge PST files
  • Merge every item of PST files
  • Offer advanced filters to merge selective items
  • Merge specific folders of PST files
  • Merge multiple PSTs to existing or new PST file

What is aPST File?

PST is the short form of Personal Storage Table, which is an MS Outlook file format that stores a user’s data for POP3, IMAP, and web-based email accounts. All versions of MS Outlook use PST files. However, in earlier versions (Outlook 2000 and 2002), the PST file was stored in ANSI format with a file size limit of 2GB. In later versions, it is stored in UNICODE format with maximum file size of 20GB or 50GB.

The default location of PST file in Windows Vista and earlier operating system and Outlook 2007 is:


In latest Windows operating systems and for Outlook 2010, the default location is:

C:\Users\%username%\Documents\Outlook Files

FAQs of Kernel Merge PST

Follow the below steps to merge multiple PST files.
  1. Launch Kernel Merge PST tool on your system.
  2. Add the PST files that you want to merge.
  3. Select the folders to merge.
  4. Apply the required filters on the PST files.
  5. Select a location on your system where you want to save the merged file.
  6. Click “Next” to start the merge process.

How it Works?


Software Prerequisites & Recommendations

About Kernel Merge PST

  • Version: 19.7
  • Release Date: Sep 2019
  • License Type: Home, Corporate & Technician

Version Support

MS Outlook - Outlook Office 365, 2021, 2019, 2016, 2013, 2010, 2007, and earlier versions

System Requirements

  • Hard Disk

    50 MB of disk space

  • Memory

    64 MB Minimum

  • Processor

    Intel® Pentium Processor compatible (x86, x64) or equivalent

  • Operating System

    Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT and 95 and Windows Server 2016, 2012, 2008 R2, 2008, 2003 R2, 2003

Software Guides

What customers say about Kernel Merge PST

rating5 (4.9 / 5) 564 Reviews
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What an amazing product I just had my hands on. A big thanks to you people.


Never thought technical teams could be responsive to chats until I tried you guys.


If you want to experience quality service with amazing working product switch to them.

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