SysTools Outlook Duplicates Remover

Best tool to remove Outlook duplicates to reduce mailbox size and increase MS Outlook performance with work efficiency. SysTools Outlook Duplicates Remover tool is available for both Mac and Windows OS.

(Average Rating 4.0 Based on 344 Reviews)
  • De-Duplication of Emails, Contacts, Calendars, Journals, Tasks, Notes
  • Options to Delete Duplicates within The Folder and Across The Folder
  • Remove Duplicates from MS Outlook According to Multiple Properties
  • Choose Action: Deleted Permanently, Move to Folder, Put Flag, Mark As Expire
  • Draw Out Duplicates from Multiple Outlook PST, OST, BAK Files At Once
  • Include or Exclude Folders while Removing Outlook Duplicate Items
  • Option to Easily Remove Duplicates of Selected Categories Items
  • Draw Out Outlook Duplicates Items Between Multiple Date Range
  • Supports to Remove Duplicate Items without MS Outlook Installation
  • Make Report for Unique & Deleted Duplicate Items in .csv Extension
  • Outlook Duplicate Remover Supports Windows 11 (64-bit), 10, 8, 7 Versions

Free Live Demo - SysTools Outlook Duplicate Remover Fully Secured Download Version

Also Avaialble for Mac OS

Outlook Duplicate Remover

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SysTools Outlook Duplicate Remover Software

What All Advance Features Are Offered by SysTools Outlook Duplicates Remover Software

  • Add PST file in bulk using software files or folder mode.
  • Search File option to add file from any drive of your system.
  • Easily remove not required file from de-duplication list
  • Option to clear the entire list added mistakenly.
  • Exclude checked emails, trash folder for de-duplication.
  • Save resultant file at desktop location by default.
  • Provision to change the destination location from software.
  • Remove email duplicate on the basis of 14 email properties.
  • 14 properties available to remove duplicate contacts.
  • Remove calendar duplicate using 13+ calendar properties.
  • Draw out Task duplicate on the basis of 14 task properties.
  • De duplicate Notes redundant using 5 Notes properties.
  • Use 12 Journals properties to remove duplicate from journals.
  • Date Filter to remove old and current duplicate data.
  • 5 Action that can be taken on duplicate items.
  • TXT report of selected categories in de-duplication process.
  • Delete duplicates from Password Protected PST/OST files.
  • The tool supports ANSI and UNICODE Outlook data files.
  • Remove duplicates from Outlook archive file easily.
  • Preserve meta and folder hierarchy during de-duplication.
  • Maintains data integrity during duplicate removal process.
  • Support all the versions of Outlook including Outlook 2021.
  • Option to split large PST file by 10 MB to 200 GB.
  • Generate a report of success count after de-duplication.
  • Standard user can run the tool without Admin Privilege.
  • Navigate to the destination location direct from software.

Awards & Reviews of SysTools Outlook Duplicates Remover

An Advance Outlook Duplicate Remover Tool for Your Ease

Outlook Duplicate Items Remover Software

Best Software to Delete Duplicates from Outlook Mailbox without Limitation

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Two Ways to Delete Outlook Duplicates

  • Remove Duplicates from Single Folder: If you want to find and clean up duplicate from same folder, check this option. Outlook Duplicate Remover Tool will analyze each folder separately and remove all located duplicates. It is useful when you do not want to delete duplicates across all folders of Outlook data file.
  • Delete Duplicates Across Outlook Folders: If you think duplicates are distributed into multiple folders of PST file, go for the Across Folder(s) option. The software will analyze all PST file folders and eliminate duplicates from them. It is usable to remove duplicates from all folders at once.

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Different Action to Draw out Duplicates

SysTools Outlook duplicate remover software provides multiple options. Users are allowed to choose any one at a time.

  • Delete Permanently: This option will give you the facility to permanently remove duplicates from your PST/OST/BAK files.
  • Move to Deleted Item Folder: By opting this option one can move their duplicates items into Outlook deleted items folder.
  • Move to Folder: This feature gives you the option to create a folder in PST file and move all duplicate items in it.
  • Put Flag: It is a remarkable feature to put a flag in to duplicate Outlook items. So, user can take action later.
  • Mark as Expire: Using this option from software UI user can mark as expire your duplicate items.

List of Various Data Items Properties

Microsoft Outlook Duplicate Items Remover Allows User's to Choose Following Properites

Key Features in SysTools Outlook Duplicates Remover

Handy Utility to Delete Duplicates from MS Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003

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Batch Data Deduplication

The Outlook Duplicates Remover software allows you to remove duplicates from multiple Outlook PST/OST files at once. You can add a folder having multiple PST, OST files in it and software will remove all duplicates items from each file.

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Find PST Files on Disk

This Outlook Duplicate Cleaner software provides Search feature to find out Outlook PST & OST file in the local hard disk. You can either find Outlook data files in a individual logical drive (C: D: E:) or all drives at once for duplicate removal process.

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Remove Outlook Duplicate Items

It is possible to clean up the duplicates from all items within Outlook PST/OST file. You can remove duplicates as well other items: contacts, calendars, tasks, notes, and journals using multiple properties.

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Dual Mode to Remove Duplicates

SysTools Outlook duplicate remover tool has two mode for duplicate cleaning method. Within Folders mode is preferable to remove duplicate within a single folder. Across Folders mode preferable for removing duplicates across the selected PST/OST folder.

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Include/Exclude Any Folder/Category

On the software interface, there are provisions to include required folders or specific categories for duplicate erasing process. Not required folders (Junk/Spam/Deleted Items etc.) and categories can be excluded from duplicate cleaning process.

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Multiple Actions to Remove Duplicate Items

This Outlook duplicate email remover tool provides various actions to remove duplicate emails from Outlook PST, OST file like Delete Permanently, Move to a Folder or Deleted item folder, Put Flag, and Mark as Expire.

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Reduce Outlook Data File Size

This Outlook Duplicates remover software comes Split PST File option. So, one can reduce the PST/OST file size size during the process of removing duplicate from Outlook data file. The maximum size limit is by 200 GB to split the file.

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Multiple Date Filter

SysTools Outlook duplicate items remover comes with a Date Filter option. This date filter option gives users a flexibility to delete duplicate from any date range. In fact users can add multiple date ranges and remove duplicate between that specific data range.

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Preserve Meta Properties

Outlook duplicate remover software maintains the accuracy of data and attributes during removing the duplicates. You will get same data with all its associated attributes such as to, cc, header, bcc, message size, etc. in resultant file,

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Maintain Folder Treenew

This Duplicate Remover Tool will maintain PST/OST folder structure while draw out duplicates data items. After removing the duplicates, you will find the exact same folder structure in resultant PST/OST file.

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Show Deduplication Status

Once you add the PST files for data deduplication, it will show you the current status of each file. Now once the software starts removing duplicate items from Outlook folders, it will show you the status as complete with the number of items processed.

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Generate TXT/CSV Reports

This Duplicate Remover Tool will generate a .txt file report that shows the criteria you have selected for removing duplicate items from the Outlook PST/OST file. It creates CSV report having duplicate counts, export counts, failed counts, and failed items list.

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Run With/Without Admin Privileges

One of the most amazing feature of this tool is that admin/standard/guest users can run with admin rights. However if standard/guest users don't have the admin rights can run the tool without admin privileges.

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Supports Outlook 2021 & Below Version

Outlook Duplicate items remover supports latest Outlook version. The tool remove duplicate items from Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003. You can upload PST file of any Outlook version to remove duplicate in few clicks.

Outlook Duplicates Remover Software Specifications

Make Sure Have All Required Hardware and Software to Download and Install This Software

Software Download

Size: 18.8 MB

Version: 5.2

MD5: 8955123f4ede3402f0e5b5326a7295ee

Trial Limitations

Free trial version of SysTools Outlook Duplicate Remover software is capable to remove only 15 items per folder.

System Specifications

Hard Disk Space
Minimum 100 MB of free hard disk space

RAM
4 GB is recommended

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

Application
Pre-Requisites

Microsoft .NET framework 4.5 or above should be installed.

If you are using Windows 11 (64-bit), Windows 10/8.1/8/7, then please launch the tool as "Run as Administrator".

Windows 11, 10, 8.1, 8, 7 (32 bit or 64 bit) & Windows Server 2008, 2012 R2, 2016, 2019, 2022

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

Supported Editions

  • Microsoft Windows 11 (64-bit), Windows 10, 8.1, 8, 7 & Windows Server 2008, 2012 R2, 2016

FAQs

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Electronic Delivery

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OUTLOOK DUPLICATES REMOVER ORDER NOW

Get an Overview of Outlook Duplicate Remover Features - Free and Full Version

Features Free Version Full Version
Add Outlook Files & Folder
Preview List of PST Files
Select Categories (Emails, Calendars, Contacts etc.)
Remove duplicates within the Folder(s)
Remove duplicates across the Folder(s)
Windows 11, 10, 8 & All Other Previous Windows Version Supported
Export Duplicates Free Outlook PST File 15 Items / Folder
Cost FREE $49

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How do I get rid of duplicate items?

Outlook Duplicate Remover Preview

Step by Step Guide to Remove Outlook Duplicates:

  1. Download and Run Outlook Duplicate Remover.
  2. Choose "Add File(s) or "Add Folder" to add PST file.
  3. Selet any: Within and Across folder to delete duplicates
  4. Select Category to Remove Duplicate data items.
  5. Browse Location to Save duplicate free PST file.
  6. Click on Remove Duplicate button.

SysTools Outlook Duplicate Remover is a very efficient and reliable tool which is capable of removing 'n' number of duplicate from a respective Outlook mail profile.

No, Outlook installation is not mandatory in order to use this tool. One can easily remove duplicate items from Outlook PST files without Outlook installation.

Yes, with the help of Add File(s) or Add Folder option you can upload a complete containing multiple PST files at once to the software. This way you can remove duplicate from multiple PSt files at once.

Yes, the tool removes duplicate from Outlook, as well as it eliminates calendars, contacts, journals, tasks and notes.

As a matter of fact, Outlook Duplicate Remover software checks for duplicates in both ways; within a folder and across folders for detecting all types of duplicate items such as; emails, contacts, calendars, etc.

No, there is no such file size related limitation within software. You can remove duplicates in Outlook from any size of PST file successfully.

No, Outlook Duplicate Remover software is built with advance algorithms that ensure not to modify source PST file. It rather creates a new PST file at a destination location of your choice with no duplicates.
Free demo version of Outlook duplicate remover tool eliminates only 15 items per folder. If you want to delete more than 15 items, you have to purchase SysTools Outlook Duplicate Remover Tool.
Yes, Outlook duplicate remover eliminates duplicate items of MS Outlook version 2021, 2019, 2016, 2013, 2010, and 2007.
There is no such file limitation for deleting duplicate items from PST files.
There are several reasons that make users remove duplicate items from Outlook. All of them are listed below:
  • Outlook Performance Degrades
  • Outlook Become Slower
  • Lower Productivity
  • Unnecessary Storage Space Issue
Yes, Outlook Duplicate contacts remover tool is capable to clean up duplicate items from Outlook 2021, 2019, 2016 as well as 2013, 2010, 2007, 2003. Also tool remove duplicate from PST without Outlook istallation.
This erros messages signifies that the PST or OST file you are trying to add is corrupted. First repair PST file or repair OST file and after that add it into this Outlook duplicate remover tool,
No, once the duplicates removed using this remover software then it can not be undo. But user can use SysTools Outlook PST recovery tool to get back deleted data.
What Customers Are Saying

SysTools Outlook Dupliacte Recovery Software Verified Purchase Reviews

4.0
344 Ratings
5 Star
37%
4 Star
12%
3 Star
24%
2 Star
8%
1 Star
14%