Outlook PST Compact & Compress Software

Smart solution to reduce size of outlook data file PST/OST and NST files. Make oversized outlook data files smaller in size by removing/compressing Outlook attachments. With ease Compress and Compact PST/OST files using different powerful functions of the software.

  • Quickly Remove Attachments from Both ANSI and Unicode Outlook files.
  • Remove/Compress Attachments from multiple Outlook files in one time.
  • Preview Outlook items and folders before compressing attachments.
  • Delete Attachments from Selective Outlook folders of PST/OST or NST files.
  • Remove some attachments of specfic file extension from Outlook files..
Remove/Compress Outlook Attachments

PST Compress & Compact Software - Advanced Features

PST Compress/Compact tool

Instant Fast Software Delivery via Email

30 days return policy

  • Remove Attachments and efficiently Compress and Compact Outlook OST/PST files.
  • Reduce Oversized PST/OST file size to make Outlook data file smaller by size.
  • Easily delete unnecessary attachments from Outlook items or compress in Zip files.
  • Select Outlook data files manually as well as Search OST/PST files from local drive.
  • Compress/ Compact Multiple Outlook data files in single process with no problem.
  • Preview Outlook items with attachments and folders from PST files.
  • Remove attachments from Outlook items of selective or only needed folders.
  • Include/Exclude Deleted Items folders while PST file compression or Compact process.
  • Provides different attachments Removing and Compression options to reduce PST file size.
  • Supports filtering attachment extensions to remove specific attachment types.
  • Remove or Compress Attachments from Emails of some specific date with the Mail Filter by Date option.
  • Save the resultant small-sized PST files to the desired location after file compression.
  • Supports ANSI and UNICODE PST/ OST files of all Outlook editions- (Up to 2021).
  • Works on all editions of Windows O/S including- Win 11, 10, 8.1, 8, 7, XP, Vista, & below editions.
Download Now  BuyNow at $49  Software Working

Demo Version:- Remove or Compress 15 Attachments from each folder of OST/PST files without any charges.

Key Features of Best Outlook Compact/Compress Tool

Reduce PST/OST file size Removing or Compressing Attachments

Remove/ Compress attachments all kinds of attachments from Outlook data files to reduce size of oversized PST/OST/NST files. With different options Remove and compress attachments from Outlook files:-
attachments remove/compress from ost, pst, nst files
select/search outlook data files

Select or Search OST/PST files

For removing or compressing Outlook attachments from single outlook files, users will get two different options to select and import Outlook PST/OST files in the software:-

  • Select PST/OST file:-To manually Select Outlook data files from known locations
  • Search PST/OST file:-Scan your local drive and find all Outlook data files

remove/compress attachments from multiple files

Compress multiple files at once

With the software users also get the power to reduce size of multiple Outlook in single process. At a particular time the software will allow you to select two or more files. Users can also select a complete folder with several Outlook files to compress all files in single process.

preview Outlook items

Preview Outlook Items with Attachments

The software provides a live preview of each and every item with attachment from Outlook data files. PST Compress and Compact software, will do it before beginning the process of Outlook attachments compression or removing process. It will help users to in making selection of required folders from PST/OST files.

select needed folders

Remove Attachments from Selective folders

With the PST Compact/Compress tool, users will get the option to select some specific folders from PST/OST files. Users can select only needed folders from Outlook data files. By selecting required Outlook folders the software will compress and remove attachments from only selected folders.

exclude deleted items folder

Exclude Deleted Items folder

While Compacting or compressing PST files with the software, users also get the option to exclude deleted item folder. User can select Exclude deleted item folder option to skip the deleted items folder for removing or compressing Outlook attachments.

remove attachments of specific extension

Remove Specific Attachments

Software has the function of Filtering Attachments to delete/compress attachments of specific file type. To filter attachments type this software offers two different options:-

  • Predefined File Extension:- Select a file type from a predefined list of several attachments types.
  • Custom File Extension:- Input two or more file extensions to specify multiple attachments type and remove all file in one time.
filter emails by date

Filter Mails by Date Range

PST Compress and Compact tool also has a mail filter by date function to remove attachments from emails of some specified days. Users may pick "from" and "to" dates, of email using software. After selecting dates, the software will remove attachments from emails of selected dates.

choose saving location

Save Resultant files to desired location

This software allows you to manually pick the destination path for saving the compressed PST files. As a result, users can save the compressed file anywhere on the system. With ease users can save the resultant PST file to their specified path.

preserve attachments message-wise/folder-wise

Save folder-wise or Message-wise

The software offers two different options for saving extracted or compressed attachments:-

  • Save Attachment in Single Folder: Make a single folder and save all extracted attachments to it.
  • Save Attachment Message-Wise:- Create a separate folder for each Outlook item with a message subject, then save the extracted attachments in separate message folders.
Compact PST files without outlook

Compress/Compact PST without Outlook

With Outlook application installation or opening easily remove attachments from PST/NST/OST files. Users can quickly compress all types of attachments as well as remove all attachments with no need of MS Outlook or any other software. This single software able to complete the whole file compression process with ease.

clear and easy graphical interface

Smart Graphical-Interface

Compact PST Tool has a clear and user-friendly interface that allows all kind of users to access this software without difficulties. No prior technical expertise is required to use the tool. As a result, both technical and non-technical users can use it to reduce PST file size without expert's help.

supports all Outlook edition ANSI/UNICODE

Reduce Size of Both ANSI & Unicode files

PST Compress & Compact supports all older to current versions of MS Outlook, including 2021/ 2019/ 2016/ 2013/ 2010/ 2007/ 2003/ 2002/ 2000 and other editions. Users can easily use this software to safely compact and compress both ANSI & Unicode files of all Outlook edition without getting any problem.

support all windows editions

Windows Compatibility

Outlook PST Compact Tool is designed for to work on every version of the Windows operating system. It works with every Windows editions. Users can download as well as run the software to reduce PST files size Windows 11, 10, 8.1, 8, 7, XP, Vista, and below edition.

Compres or Compact PST free with demo edition

Compact/Compress PST Free

The software also comes with trial edition facility that will help users to know the complete product's performance and qualities. This demo version is available for free download. It contains all of the features of the full version. It can only reduce size of PST files by removing or compressing up to 15 attachments from each folder of PST file.

Software Comparison

Software Features Trial Version Full Version
Compress/Compact both PST and OST files
Remove/Compress Attachments from Multiple files in One time
Preview Outlook items
Remove/compress Attachments of Selective folders
Compress/Remove Specific Attachments
Filter Mails By date
Save Attachments Message & Folder-wise
Compress/compact any sized file
Remove/Compress Unlimited Attachments Remove and Compress 15 Attachments from each folder
Download Now BuyNow ($49)

Software Specification

Trial Limitations

Remove upto 15 attachments from each folder of PST/OST files for free with PST Compress & Compact tool's demo edition

Software Info


Supported Files

All Edition of MS Outlook (Upto 2021).

Single User, Corporate, Technician, & Enterprise

Language Supported
English, German, Italian, French, Spanish

System Requirements

Intel® Pentium Class

Operating System

Hard Disk Space
50 MB of free hard disk space

Minimum 512 MB is required

Software Delivery


Delivery by E-mail

Supported Windows OS

Works with all windows O/S editions 11, 10, 8.1, 8, 7, below editions

Frequently Asked Questions (FAQ)

  • Download and Run Outlook Compress and Compact software on your computer.
  • Firstly, click the Select PST button and choose the “Single” or “bulk file selection” option.
  • Select and Add PST/OST/NST files of Outlook in the software and start the scanning process.
  • Scan files and Load all Outlook folders and data items and get a preview of each item.
  • Choose the required Outlook folders and press the Compress Attachments button.
  • Select an attachment removing or compressing option for reducing PST file size.
  • Choose an attachment type from a predefined list or input file extensions manually.
  • Use Mail filtering option, to remove or compress attachments from emails of selective dates.
  • Select a saving location & press the Save button to remove/compress PST file attachments.

Outlook PST Compress/Compact Software

Yes, this software has the ability compress and remove large sized attachments from PST/OST/ NST files to easily reduce Outlook data files size.
Users can also compress or compact PST/OST/NST files in bulk. In a single process, this software will quickly compact multiple outlook data files with ease.
Yes, users can easily search Outlook data files from their local drive. Also, users can also select Outlook data files manually from a previously known location.
Yes, before removing or compressing Outlook attachments, this software also provides a preview of all data items and folders of Outlook data files.
By using the software users also get the power to remove or compress attachments from some specific folders of PST/OST files.
The software also allow you to exclude deleted items folders, before beginning attachments removing process.
PST compact and compress tool also has the attachments filtering function. Using this function user can choose only needed attachments from a list of different attachments types. Also users can input attachments manually to remove two more types of attachments from PST files.
Mail filtering by date is another one smart feature of this software that help you. This function helps users to remove or compress attachments from emails that are sent of received on some specific dates.
For saving output files this software allows users to select desired path from their local drive. After destination path selection the software will save all output files to user's specified location.
Both technical and non-technical users can use this software to safely compress or compact Outlook PST/OST files.
The software is workable with data files that are obtained from all older to newer edition of Outlook. User can easily reduce size of PST/OST/ NST file of Outlook 2021/ 2019/ 2016/ 2013/ 2010/ 2007/ 2003/ 2000 and below editions.
With ease all users can access this software on both new and old editions of Windows O/S including- Windows 11, 10, 8.1, 8, 7, XP, Vista, etc.
Demo edition of the software also available for all users. Users can use it to easily compress/compact PST and OST files by removing 15 attachments from each folder for free.

Client Most Valuable Review's

(Rated 5 Star)
I have tried this PST Compress tool and found myself satisfied with its functioning. With this software, I have compressed several PST files at one time with ease. Thank you so much for providing this amazing tool.
[ Salina parker ]  [ United Kingdom ]
(Rated 5 Star)
For a long time, I was founding a tool that help me to compress my PST files. Then one day my friend suggested using this eSoftTools PST Compress compact tool. This tool has provided me the power to reduce the size of large PST files with ease.
[ Mary Wright ]  [ Canada ]
(Rated 5 Star)
I bought this PST File Compressor software, which help me to reduce PST file size. With this tool I have simply compressed a huge number of PST files with facing any problem. I suggest everyone to get this take help of this software to get the best results for PST file compressing.
[ Anna marie ]  [ United States ]
(Rated 5 Star)
I used this tool, a month ago and got amazing results. It helped me in removing different types of attachments from Outlook items of PST files. I will recommend it to everyone to try this software at least once.
[ John Cannabis ]  [ Belgium ]
(Rated 5 Star)
Because of oversized PST files, I was unable to access my Outlook profile. Then I got this eSoftTools PST Compact and compress tool. It worked for me and provided the expected results in the shortest time. With this PST file compressor, I have reduced the size of my multiple PST file without losing a single bit of information from PST files.
[ Bertha Green ]  [ United States ]