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“A simple PST management tool developed by our team. It will help you with all your Outlook management needs.”

Managing Director KernelApps
testimonial sudesh kumar

Salient Features

Understand all the features and options integrated into the software for PST management.

Assures Healthier PST

Assures Healthier PST Kernel for PST Compress & Compact helps you keep PST file size in check. With reduced PST file size, Outlook users can be less apprehensive about corruption, damages and errors.

Searches for PST Files

Searches for PST Files If you don't know where the PST file exactly is, you can search for it in the directory or hard disk drive using the search facility provided by Kernel for PST Compress & Compact tool.

Compress Multiple PST Files

Compress Multiple PST Files Using this tool, you can compress and compact many PST files in a single cycle. This facility helps you complete the process quickly even if you have multiple PST files with you.

Removes Attachments Effectively

Removes Attachments Effectively Attachments increase size of PST files, but this tool helps you to manage them effectively. It allows you to remove and compress the attachments to a folder or a new PST file.

Owns User-friendly Interface

Owns User-friendly Interface For compressing and compacting Outlook PST files, you need not be technically adept. You can do it just by reading the instructions on the Kernel for PST Compress & Compact screens.

Offers Wide Outlook Support

Offers Wide Outlook Support Kernel for PST Compress & Compact supports all recent versions of Outlook that are primarily affected by the PST size limitation errors–Outlook Office 365/2019/2016/2013 (both 32 and 64 bit)/2010/2007/2003/2002/2000/98/97.


Follow the below steps to compress Outlook PST file:
  1. Launch the tool on your system and add the PST file that you want to compress.
  2. Select the required options to compress the PST file and click Next.
  3. Select a location to save the compressed PST file and click OK.
  4. It will take some time to compress the PST file. Once it is done, a notification will appear on the screen confirming the same.
Kernel for PST Compress & Compact is designed mainly for Outlook users with popular versions 2002, 2003 and 2007, as 2GB size limitation errors are more prominent in these versions.
Do not worry. You can use the Search and Add facility provided by the tool to search for the PST file. It helps you find the PST files from a directory or a disk drive.
You can use the search feature of this software to find and display all the PST files on your system.
Yes, Kernel PST Compress allows users to remove any attachments from the PST files before compressing them.
Yes, you can easily compress multiple PST files with the help of Kernel PST Compress software.
The free version can save only the first five items after compressing the PST files. But the full version can save all the PST items. So it is highly recommended that you purchase the full version after the trial.

How it Work's


Software Prerequisites & Recommendations

About Software

  • Version


  • Release Date

    View History

  • License Type

    Home, Corporate & Technician

  • Version Support

    MS Outlook Office 365, 2019, 2016, 2013 (both 32 bit and 64 bit), 2010, 2007, 2003, 2002, 2000, 98, 97

System Requirements

  • Hard Disk

    50 MB of disk space

  • Memory

    256 MB Minimum

  • Processor

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

  • Operating System

    Windows 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95

Software Guides

User Reviews

Kernel for PST Compress & Compact

(4.8 / 5) 537 Reviews

My experience with this software was great. It worked very well for me. I am very happy with the performance of the tool. Thanks!


It is really easy to compress PST files by using this effective software. I would like to recommend all to use it.


The assistance of the Tech support team is pretty good. They helped me to run the software without any hassle.

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