PST Compress




FreeViewer PST Compress Software

An Effective Tool to Concise the Size & Compact the Big PST File

(Average Rating 4.3 Based on 30 Reviews)
  • Remove, Extract and Save Attachments to Compress PST File
  • Option to Compress and Oversize PST Data File in Batch
  • Capable to Compact both ANSI and Unicode PST File Formats
  • No Need of MS Outlook Installation to Compress PST File
  • Option to Exclude and Include any Folder during PST Compress
  • Generates a Log Report to Show Complete PST Compression Details
  • Ensures No Data Loss to Condense the Oversize PST File
  • PST Compress Utility Supports Windows 11, 10 and Outlook (32/64 bit)

FreeViewer Awards & Reviews

2023 Best Rated and Popular Free Software to Decrease the Oversized PST File

Free PST Compress Tool

3-Step Process to Decrease The Size of Big PST File for Free

Advance Features of PST Compress Tool

PST Compact Software's Features to Shrink Big PST Data File

Shrink Oversized PST Data Files

For an ANSI file when the storage exceeds beyond 2 GB can lead to corruption. The FreeViewer PST compress tool is capable to compress both ANSI and Unicode files without any loss of data. With PST Compression Software, all the attachments can be extracted and saved in a trouble free way.

Multiple PST Compress Options

The PST compress tool is developed in such a way that it allows to compress the file providing various options. It provides multiple options such as remove attachments. Draw-out and save attachments also compress attachments. As per the requirement, one can avail any of these options.

Facility to Remove PST Attachments

Now to shrink the PST data file, this FreeViewer PST compress tool provides an option to remove the attachments. By selecting this option, the utility draw-out the attachments and it is permanently removed. Therefore, it helps to decrease the size of the PST file thereby removing the attachments also from the local computer.

Option to Save Attachments

The PST compress software is designed with an intention that no data is removed or destroyed. It provides an option to compress the PST file without deleting the attachments. PST compression tool is efficient enough to draw out those attachments and save them to a separate folder. And this makes the PST file to decrease its size.

Option to Compress the Attachments

Besides extracting and saving the attachments, the PST compress software is effective to shrink the size of the attachments also. By choosing this option, it ensures to minimize the attachments size. Thus, making the PST file decrease into a small size file. This software zips the attachments of the PST data file to compress. Compress PST attachments in any Windows OS easily.

Generates the PST Log Report

While performing the compression process, it generates a progress report besides showing the current status of the compression process. The generated report includes some details like PST file name, folder name, count of emails found, number of attachments found and many more. This helps the user to understand the size associated with each file and folders.

Free PST Compress Tool Specifications
Download PST Compact Tool to Shrink the Big PST File to Small

Software Download

Size: 26.9 MB

Version: 4.3

Trial Limitations

Demo version will compress only 15 items per folder of each PST files.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

4 GB of RAM is recommended

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

Application Pre-Requisites

Microsoft .NET framework 4.5

Supported Versions

Microsoft Windows
7, 8, 8.1, 10 (32-bit & 64-bit), Windows 11 (64 bit), Windows Server 2008, 2012, 2016, 2019, 2022

Microsoft Outlook
Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64-bit), 2019 (32/64-bit), 2021 (32/64-bit)




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Get an Overview of PST File Compress Tool Features – Trial vs Full

Features Trial Version Full Version
Add PST Files/Folder
Remove Selected PST Files
Support All Outlook Versions: 2021, 2019, 2016, 2013 & Below
Support Windows 11, 10, 8, 7, Server 2008, 2012, 2016, 2019, 2022
PST Compression Options: Remove, Draw-out, Save Attachments
Batch PST Item Compression First 15 Items / PST File
Compress PST Data Files 15 Items / Folder
Cost Free $49
Frequently Asked Questions
Does this software make any change to the original PST data file?
Does this tool makes any changes to the original PST files ?
No, the PST compress tool is designed in a way that it ensures to maintain the originality of the data after the compression process.
No, this software does not need Outlook to compress the PST file. You can easily shrink the oversize PST file without Outlook installation.
Yes, this software provides multiple options while compressing the PST data such as remove attachments. draw out and save attachments, and also compress attachments.
Yes, this remarkable compress tool is compatible with all Outlook versions including MS Outlook 2019 and it’s below versions.
Yes, it allows compressing the PST files on Windows 11 OS and all its below versions without causing any issues.
Yes, this software is developed in such a way that it enables to shrink multiple oversized PST files easily.
What Customers Are Saying
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