PST Compress



SoftwarePro PST Compress File

Unique Tool to Decrease the Size of the Oversized Outlook PST File

  • Allows reduction of multiple too large PST files in a batch process
  • Possible to compress both ANSI and UNICODE type of Outlook files
  • PST compression by this tool assures no loss to original data/files
  • To add Outlook PST one can opt search PST file option
  • No need of MS Outlook installation to shrink large PST data files size
  • Shrink PST file size to minimum possible size With No Data Loss
  • Tool comes with the option to remove duplicate items from the PST file
  • Tool creates a Log Report to show complete PST compaction information
  • Compatible with all Outlook versions i.e, 2021 and below versions
  • Compress large PST files by removing, extracting, compress or saving attachment

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Remarkable Attributes of PST Compress Tool

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Shrink PST Size to Avoid 2GB Corruption

The Compression of PST Outlook files using this tool is highly efficient. Even for ANSI files which become a matter of concern if they reach 2GB limit, this tool shrink PST size to kill the corruption. This PST Compact Utility shrink file size to make it more manageable and free from corruption issues.

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Extract & Compress PST File Attachments

PST Compress Software has the tendency to compact the size of Outlook files and then zip the entire attachments present within a PST file. This tool will fetch or extract all the attachments of PST files and then save them all in a different folder. PST Compress has a very smooth processing.

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Delete Outlook PST Attachments from Files

In case, the user has a serious urge to decrease the size of the Outlook PST files then, this PST Compact software will remove all the attachments included in the PST files. If the option is selected, accordingly the tool will delete all the attachments permanently from files and from machine also.

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Compacting PST Files by Different Options

To shrink size of PST files with this tool, user is provided with different means or options to execute this operation. These options of reducing PST file size are as listed below

  1. Remove Attachments
  2. Compress Attachments
  3. Remove & Save Attachments in a Folder
  4. Remove & Compress Attachments in a Folder

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Multiple Filter Options

This Outlook PST compress tool comes with various filters that helps users in many way during the compacting the oversized PST file. The tool comes with the categories, date filter, file size file type option. So, you can opt for the option as per your requirements or needs.

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Skip Duplicate Data Items

To increasing the size of the Outlook PST file, duplicate data items plays a very vital role. So to deal with the duplicate the comes with option to Skip Duplicate Items along with the specify criteria option so that users can easily define the data items.

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Generate Live Status Report of Compression

While reducing size of PST the tool will show a live status report of export and progress report as well, which will include all the details including PST file name, PST folders, number of emails found within the PST, number of attachments in Outlook PST file/folders and much more.

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Windows Supported PST Compress Software

The software for shrinking PST files size is highly compatible with all versions of Windows i.e, all 8.1 and below versions. Moreover, this utility does not hamper the original data and maintains the integrity of the PST files. This tool has an excellent compressing files mechanism.

Download Compact PST Files Software

Try the Demo Version of the Tool to Compress Outlook Data Files

Software Download

Size: 29.5 MB

Version: 4.0

Trial Limitations

Trial version of PST Compress tool compacts the initial 5 emails from each folder of a PST File in order to render the preview.

System Specifications

Hard Disk Space
100 MB of free hard disk space


Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz


  • Microsoft .NET framework 4.5 or above should be installed.
  • If you are using Windows 11/10/8.1/8/7, then please launch the tool as "Run as Administrator".
  • Microsoft Outlook should be installed and should be configured properly for any valid or dummy profile/account.

Supported Editions

  • Microsoft Windows: 7 / 8 / 8.1 / 10 (32-bit & 64-bit), 11 (64-bit), Windows Server 2008 / 2012 / 2016 / 2019
  • MS Outlook ‐ Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021


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PST Compress Tool Order Now

Get an Overview of PST Compact Tool Features - DEMO & Licensed Version

Features DEMO Version FULL Version
Add PST File & Folder
Remove Selected PST Files
Support All Outlook Versions
Windows 11, 10 & All Other Previous Windows Version Supported
Four Compression Options First 15 Items / PST File All Items
Compress data Files 15 Items / Folder All Items
Cost FREE $49

Frequently Asked Questions

FAQ for Compress Outlook PST Software

How to Compress PST files with this software?

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Follow the below steps to Compress PST files

  • Step 1: Download & launch PST Compact Tool
  • Step 2: Now, choose Add file >> choose & Open
  • Step 3: Choose the compress option in order to compact the PST file
  • Step 4: Choose an appropriate categories and filter option.
  • Step 5: The application will show the status as "Compress Successfully" click on the OK.

No, while shrinking size of Outlook .pst files using PST Compressor Tool, no harm to original data will occur. Your data is always safe in our tool’s hands.

Yes, user can shrink the file size of PST files in a batch process by this tool.
No, there is no restriction on the file size of PST files that are to be put under compression process.
No, it is mandatory to have MS Outlook installed on your system if you wish to carry out the PST file size reduction process.
Yes, there is a special Remove button in the software execution process to remove undesired files while shrinking PST file size.

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