Outlook Duplicate Remover

Best Software to Remove Duplicates Emails, Contacts, Calendars, Notes, etc. from Outlook PST File

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Why CubexSoft Outlook Duplicate Remover?


Let us know the significance of deleting duplicate Outlook PST files and how you may easily remove PST duplicates with Outlook Duplicates Remover.


Boost MS Outlook Performance

With CubexSoft Outlook Duplicate Remover Tool, one can quickly and simply delete duplicate items and emails from your Outlook data file if it’s running slow. The software provides lots of amazing options and filters to help you quickly eliminate duplicate PST files and other items from your mailbox.


To Make Space on Computer Drive

To save all of your Outlook data on the Computer's hard disk, MS Outlook makes PST and OST data files. But, users sometimes report that their computer's hard drive is almost full, which could lead to future issues. Simply use Microsoft Outlook Duplicates Remover Software to avoid these issues.


To Fix Large PST Files

According to MS Outlook versions, users may choose to remove duplicate emails from PST or OST files in order to repair large files. The Outlook PST Duplicate Remover Tool can be used to accomplish this because it has the ability to eliminate items that have been used more than once.

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Outlook Duplicate Remover Tool - A Top-Notch Advanced Features

Duplicate Outlook Mail Remover Tool is an advanced and powerful way to remove duplicate emails from PST file including mailbox items like contacts, emails, journals, notes, tasks, and others. It can find and detect duplicate items from various PST files and eliminate them immediately. Also, the tool’s highly advanced technology enables users to delete duplicate emails and improves Microsoft Outlook performance.

  • Add Outlook PST files in bulk with PST Duplicate Remover.
  • De-duplication of tasks, notes, emails, calendars, notes, etc.
  • Options to remove duplicates within the folder or across the folder.
  • Delete duplicate from Microsoft Outlook based on various criteria.
  • Simply eliminate unnecessary files from the de-duplication list.
  • Option to simply remove duplicate items from a selected category.
  • Keeps Meta data and folder hierarchy throughout de-duplication.
  • Easily eliminate PST duplicate with the best Outlook Duplicate Remover.
  • Find Outlook PST duplicate items between different date range.
  • Support to remove duplicate emails from Outlook without Outlook installation.
  • Create a report for deleted duplicates items in .txt file.
  • Supports a complete range of Microsoft Outlook including Outlook 2021.
  • Outlook Duplicate Remover Freeware works with all Windows OS- 11, 10, 8.1, 8, 7, etc.
  • To test the tool, provide a fully functional demo edition.

What's More to Expect from CubexSoft Outlook Duplicate Remover Tool?


Two Modes to De-Duplicate Outlook Files As Per Requirement

This Outlook Duplicate Remover Tool has dual mode facility that helps to remove PST duplicate files accordingly. These options play a significant role when it comes to search duplicates files within the folder and across the folder.

Option to Search Duplicates within the Folders

Freeware Outlook Duplicate Remover allows you to search certain duplicate files within the particular folders. It is feasible that if you opt for “search duplicate within the folder” option, the tool searches all duplicate files situated in the folders. It does not consider those duplicates that are not present in that folder or located outside.

Option to Search Duplicate Across the Folders

PST Duplicate Remover also provides a convenient option to search duplicate across the folders. It considers all the identical Outlook files from all the folders, subfolder, and all such duplicate files which are saved across the folder.

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Several Advanced Filter Options to Delete Files Specifically

Outlook Duplicate Remover App facilitates various filter options. All these options help to eliminate duplicate emails from PST file on selective basis. Let me explain every filter option in detail here:

  • Date Range: In this field, users can set the specific date range. And the duplicate files lies within the mentioned date range will remove.
  • From:Here, users must enter email of a particular sender. So the duplicate files belong to him/her can remove.
  • To: Fill up receiver’s email address so that duplicates related to the mentioned address may eliminate.
  • Subject: Enter a specific subject that you wish to remove duplicate of an email that has such subject.
  • Root Folder:This option will let you give a name to folder in which the output data will save after removing duplicates.

selective pst files removal

Remove Outlook Duplicate Files from Added Folders

After adding multiple duplicate PST or OST files by using “Select Files” and “select Folder” options. Users are able to view all such added duplicate data on the screen. And this might be possible that you do not wish to remove all items of a PST folder.

A PST file contains multiple elements of Outlook such as calendar, contacts, tasks, notes, journal, drafts, to-do, sent items, and many more. So the software leaves it up to the users that which folder/items they want to delete.

There is a checkbox attached to every added item. Users can tick the desired duplicate files’ checkboxes one by one. That’s how they are able to delete only the required duplicate files very conveniently.

choose required folder

Amazing Functionality in CubexSoft PST Duplicate Remover
Accessible features to Remove Duplicate emails from MS Outlook 2021 / 2019 / 2016 / 2013 / 2010 / 2007/ 2003


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Duplicate Outlook Files Can Be Delete in Two Ways

Users of this Outlook Duplicate Remover Tool have a choice between two modes for deleting and removing PST duplicate files. Users can quickly erase single duplicate files and many duplicates using these two options. Numerous mailbox files from your PC can be selected using the Select Files feature. A whole folder containing several Outlook files can be selected using the Select Folder option. The software is fully functional and can delete PST duplicates from files in bulk.

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Automatically Add Outlook Profile Data

For automated addition of Microsoft Outlook profile data from the default storage location, use the "Select configured Outlook mailbox data" option. When adding duplicate Outlook files, select Files or Folders from the "Let me select my Outlook mailbox data" menu if you have orphaned PST and OST files.

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Opportunity to Create the Processed Output Files' Size

Older versions of Outlook had maximum file size restrictions. Even big Outlook date files might make Outlook run slowly. As a result, our programmers introduced a fantastic feature that permits PST files to be divided into sizes of 2 GB, 5 GB, 10 GB, and 20 GB for processed files. As a result, you can easily specify the maximum size for the generated PST files.

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Create Individual PST for Each User

Let's say you want to eliminate PST duplicate with numerous user accounts set up. The "Separate PST per user" option can then be selected to obtain unique PST files for every user. If you choose not to click this box, the software will create a consolidated PST file with data from every user account.

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Select Path to a Particular Destination

The default destination path for Outlook Duplicate Remover Tool for Windows OS is "Desktop". However, customers may want to save the resulting files in a separate location. The PST Duplicate remover allows you to explore a desired destination location to save the created Microsoft Outlook files, so you don't need to worry.

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No Effect the Original OST or PST Data

Assume that the software doesn't modify or change the original data if you are using it remove duplicate emails from Outlook. Instead, software generates fresh output PST files with just the emails themselves. This is also regarded as the finest feature to prevent deletions by mistake.

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Preserve All Item in Outlook File

When eliminate duplicate emails from PST file, the Outlook PST and OST Duplicate Remover Tool maintains all emails, contacts, and calendars along with all related properties. It retains way of the following info: From, Subject, Date, Time, Year, Signature, To, Cc, Bcc, HTML Links, Headings, Inline Images, Attachments, etc. It also saves the actual folder hierarchy.

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Obtain a Log Report File Regarding Duplicates

The Outlook Duplicate Remover Tool automatically creates a log report file called SavingLog.txt after fixing Outlook duplicate emails. Including Saving Type, Source Path, Destination Path, Duplicate Found in Each Folder, and Completion Status, this file contains all the information on removing Outlook duplicates.

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Compatibility with All Windows OS Editions

Outlook Duplicate Remover is a Windows-only software. Outlook Duplicate items remover performs the newest Outlook version. Windows Server 2022, 2019, 2016, 2012 R2, Windows OS 11 (64 bit), Windows 8.1, Windows 8, and Windows 7 (32 or 64 bit) have all been tested to work with it. Get the Outlook Duplicate Remover freeware version first to make sure it runs smoothly on your system.

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Easy-to-use software interface

By permitting the user to interact with the software naturally and simply, an upright user interface offers a user-friendly experience. No technical knowledge is required to accomplish each stage. Once each step is complete, the best Outlook Duplicate Remover Tool just clicks to go on to the next phase.

Software Prerequisites & Recommendations

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Trial Limitations - Download Free Demo Edition of Outlook Duplicates Remover to Remove duplicates from first 25 emails, Free of Cost.

Free Download

Size 4.85 MB     Version 1.0

System Requirements


Intel® Pentium 1 GHz processor(x86,x64) or equivalent


Minimum 512 MB is required

Hard Disk Space

50 MB of free hard disk space

Trial Limitations

Remove first 25 emails free of cost.

Supported Editions

Windows OS

Windows 11, 10, 8.1, 8, 7, Vista, XP

Windows Server

2021, 2019, 2016, 2012, 2008, 2003, etc.

Electronic Delivery

The product will automatically delivered. Once the payment is received, you will get an email with the activation link that will contain the key to upgrade the license.

  Eula   Software Guide  Install/Uninstall

Comparison of Trial & Full Version

Feature Comparison of Outlook Duplicate Remover - DEMO and Licensed Version

Features DEMO Version FULL Version
Dual Options to Add PST Files
Select Required Outlook Files For Removal
De-Duplicate PST Files First 25 items All Items
Browse choice destination path
Add Filter Options
Maintains original data integrity
Two options to scan dupicate files
Live progress report
24*7 Tech Support & Secure 100%
Cost FREE $39

Frequently Asked Questions

Common Queries Related to CubexSoft PST File Duplicate Remover


How to delete duplicate Outlook PST files with this software?

To delete duplicates emails from Outlook PST folders, follow to the steps mentioned below:

Step 1: Download and Install the PST Duplicate Remover on your PC.

Step 2: Select PST Files/Folder to process

Step 3: Choose mode to remove duplicate PST files

Step 4: Now, apply Advanced Filters and Hit on Remove button.

Yes, CubexSoft Outlook Duplicate Remover Tool is capable of processing an unlimited number of PST files.

Yes, the software allows users to choose from a variety of fields, including From, To, Cc, Subject, Body, Attachments, and Time, to use selective export settings for email duplication. As a result, only the "Attachments" option needs to be ticked in order to delete duplicate attachments in Outlook, leaving the other fields blank. Software will then delete any emails with duplicate attachments.

Yes, the free demo version of PST File Duplicate Remover tool eliminates only 25 items per folder. If you want to delete more than 25 items, you have to buy CubexSoft Outlook Duplicate Remover Tool.

Yes, the Outlook Duplicate Contacts Remover Tool is capable of removing duplicate items from Outlook 2021, 2019, 2016, as well as 2013, 2010, 2007, etc. without installing Outlook

Yes, it is completely secure and doesn’t alteration any of the data items which is used in this process.

No, you can easily upload and preview any PST file with this application, regardless of the Outlook platform used to create the PST files.

Yes, it uses sophisticated algorithms to compare duplicate entries in PST files based on several fields. The removal of those duplicate emails during downtime is effective. The best feature of this application is that it doesn't modify or change the emails' original versions.

Of course, it enables the removal of deleted emails during the de-duplication procedure. The good news is that using the Outlook PST duplicate remover application won't take up a lot of your valuable time.

Yes! All popular Windows operating systems, including Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2008, Windows 2003, 2000, NT, and 98, are very compatible with this Outlook Duplicate Removal Tool.

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