Outlook Duplicate Remover





Mac Outlook Duplicate Remover

Easily remove multiple duplicate data items from Outlook PST files on Mac environment.

(Average Rating 3.7 Based on 491 Reviews)
  • Remove duplicate data items from the PST file on Mac OS
  • Delete duplicate such as emails, contacts, calendars from OLK data files
  • Draw out Duplicate items from configured Outlook Profiles
  • De-duplicate data items from Mac Outlook OLM files new
  • Delete duplicates from the Within Folder and Across Folder of PST
  • Option to exclude and include the folder while removing duplicate
  • Multiple data attributes options to de-duplicate PST file
  • 5 Action to remove the duplicate items from the Outlook PST file
  • Remove duplicates of Mails, Calendar, Contact, Task, Notes and Journal from OST files to PST files
  • Remove duplicate (emails, calendars, contacts, tasks, notes, and journals) from MSG files
  • Remove specific date range duplicates using the Date Filter
  • Support all the versions of Mac OS including the Mac OS 13 Ventura

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

SysTools Mac Outlook Duplicates Remover Software

What are the Prime Features Provided by Mac Outlook Duplicates Remover Software

  • Add multiple PST files into the software using Files or Folder.
  • Search option add PST from any drive of your system using .
  • Remove file mistakenly added PST file from software pane.
  • Easily change the saving location path from the software.
  • Draw out duplicate emails using 11 email properties.
  • Remove duplicates contacts using 11 contacts properties.
  • 11 properties to delete duplicate calendar items.
  • 12 task properties to remove duplicate tasks on Mac OS.
  • Easily remove duplicate notes using 3 Notes properties.
  • 7 different properties to delete duplicate journals.
  • 5 different actions to de-duplicate Outlook data files.
  • Able to preserve mate and the folder structure of the file.
  • Capable to maintain the data integrity after de-duplication.
  • Easily split large PST files by 10 MB to 100 GB.

Awards & Reviews of SysTools Mac Outlook Duplicates Remover

An Advance Outlook Duplicate Remover for Your Ease

various action

Different Action to Draw out Duplicates

  • Delete Permanently:With this option, you will have the ability to effectively eliminate duplicate entries from your PST files on Mac OS and, ensure a permanent removal of duplicates.
  • Move to Deleted Item Folder: By selecting this option, users can conveniently relocate their duplicate items to the "Deleted Items folder” within the PST file.
  • Move to Folder:This feature empowers you with the choice to create a dedicated folder within the PST file where you can effortlessly move all duplicate items.
  • Put Flag:This remarkable feature allows you to conveniently flag your duplicate Outlook emails, ensuring that you can take necessary action at a later time with ease.
  • Mark as Expire: This option gives you the ability to mark your duplicate Outlook PST emails as expired on Mac OS.

Prime Features of SysTools Mac Outlook Duplicates Remover

Explore the plethora of features of the Mac Outlook Duplicate Remover


Batch Duplicate Removal

This Mac Outlook Duplicate Remover comes with three options Add Files, Add Folder, and Serch File. Using these options users can add multiple PST files into the software and remove the duplicate items from that PST file on Mac OS.


Two De-duplication Options

This tool comes with two duplicate options Within Folder “Using this feature users are allowed to remove duplicates within the folder”. Also, it comes with an Across Folder option “This feature allowed to remove duplicates across the folder


Multiple Data Categories

This Mac Outlook duplicate remover has multiple duplicate category options like Emails, Contacts, Calendars, Tasks, Notes, and Journals. Now, users can opt for any category and remove duplicates from that category's data.


Selection of Multiple Folder

Once the PST file is added to the software pane. Users can easily check or uncheck the folder from the left folder preview window. This option help users to select the folder so that they can easily remove duplicate from that specific folder.


Specific Duplicated Criteria new

This Outlook Duplicate Remover tool for Mac has one very amazing feature that allowed users to choose specific criteria during the de-duplication process. The tool offers duplicate criteria for email, contacts, calendars, tasks, notes, and journals.


Advance Settings Optionnew

During the duplicate removal process, this Mac Outlook Duplicates Remover tool offers an advanced setting. In this setting you will find two options, the first one is Split PST file, by using this option one can split the PST file into small parts, Second one is the date filter option.


Meta & Data integrity Intact

Beside all the features this tool, the feature of preserving the meta and the data integrity is amazing. This Mac Outlook Duplicates Remover is capable to maintain the accuracy and consistency of data and attributes during duplicate removal process.


Preserve Folder Structure

This Mac Outlook Duplicates Remover Tool is capable to maintain folder structure while the processs of deletding duplicate from PST file in on Mac OS. So, after the de-duplication process one will get the exact same folder structure in PST file, it will maintains folder hierarchy of files.


Support all Mac Versions

This tool is compatible with all versions of Mac OS like MacOS X 10.15 (Catalina), MacOS X 11.0 (Big Sur), MacOS X 12.0 (Monterey), macOS X 13.0 (Ventura), MacOS X 14.0 (Sonoma) and all below versions.


PST file Support

Mac Outlook Duplicates remover support PST file of all version of Outlook. So, one can delete duplicate from Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003. PST file easily.

Mac Outlook Duplicates Remover Software Specifications

Download this Utility & Easily Remove Duplicates from PST File on Mac

Software Download

Size : 61.9 MB

Version : 6.0

MD5 : 8c5b69e6c86c159ef76865832757194a

Trial Limitations

Trial version of Mac Outlook Duplicates Remover software is capable to remove duplicates from 15 items per folder.

System Specifications

Hard Disk Space
200 MB of free hard disk space required

4 GB is recommended

Mac Computer with Intel Processor
Mac Computer with Apple Silicon (Apple M1)


Java JDK & JRE 8 must be installed in the system. To know more, Click Here

Make sure your System Region should be United States and Language should be English

Operating System

Mac OS – MacOS X 10.8 (Mountain Lion), MacOS X 10.9(Mavericks), MacOS X 10.10 (Yosemite), MacOS X 10.11 (El Capitan), MacOS X 10.12 (Sierra), MacOS X 10.13 (High Sierra), MacOS X 10.14 (Mojave), MacOS X 10.15 (Catalina), MacOS X 11.0 (Big Sur), MacOS X 12.0 (Monterey), macOS X 13.0 (Ventura), MacOS X 14.0 (Sonoma)



Electronic Delivery


Customization Policy

If you need to customize Outlook Mac Database Recovery or need additional features then, Request Quote


Get an Overview of Mac Outlook Duplicate Remover Features - DEMO and Licensed Version

Features DEMO Version FULL Version
Add Outlook PST Files & Folder
Preview of PST Files
Categories Selection option (Emails, Calendars, Contacts etc.)
Delete duplicates within the Folder(s)
Delete duplicates across the Folder(s)
Mac OS X 11.0, MacOS X 12.0, Previous Mac OS Version Supported
Save 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 emails in Outlook?

Outlook Duplicate Remover Preview

Step by Step Guide to Remove Outlook Duplicates:

  1. Free Download and Run Mac Outlook Duplicate Remover
  2. Click on "Add File(s) or "Add Folder" to add PST file
  3. Select Category to Delete Duplicate Emails, Contacts, Calendars, Journals, Tasks and Notes
  4. 2 option to delete duplicate items: Within and Across Folder
  5. Browse Location to Save duplicate free PST file
  6. Click on Remove Duplicate button

Yes, this software is capable to remove duplicates from multiple PST file in one go.

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 in Mac OS.

Yes, the tool comes with an option to choose the categories as well as it also offers users to choose the different properties to removes duplicate.

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

No, Mac Outlook Duplicates Remover software is built with advance algorithms that ensure not to modify source PST file.
Yes, Mac Outlook duplicates remover eliminates duplicate notes 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.

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