softaken PST Duplicate Remover Converter

PST Duplicate Remover

Remove duplicate emails, contacts, calendars, notes, etc. from Outlook PST file

  • Deduplication of all items from Outlook PST file
  • Draw out duplicate items from any large Outlook PST file
  • Support removal of duplicated without MS Outlook
  • Option to fix duplicates from selected or all folders
  • Support PST file of both ANSI & UNICODE formats
  • All Outlook versions (2019, 2016, 2013, etc.) are well supportive
  • OST File will be saved into PST format
  • Save the data in new PST file after excluding duplicates
  • Retain email properties and email components
  • Free Outlook Duplicate Remover for evaluation

Softaken PST Duplicate Removerfinds all duplicate items like emails, contacts, notes, tasks, calendars, etc. and remove them from PST file without configuring MS Outlook. Duplicates are removed from the same folder or all selected folders.

Salient features of PST File Duplicate Remover

remove duplicate emails from outlook

Removal duplicate emails from Outlook

Outlook Duplicate Remover cleanup the duplicates from PST file. You can delete duplicate items from emails, contacts, calendars, notes, journals, tasks, etc. If needed, you can check or uncheck items for selective data deduplication.

support outlook version

Suits all versions of MS Outlook

Outlook Duplicate Items Removal supports the latest and older versions of Outlook like Outlook 2019, 2016, 2013, 2010, etc. Easy elimination of duplicates from password-protected, ANSI, UNICODE, and orphaned PST files.


Retain originality of data items

The duplicate remover software does not affect any items of PST file while excluding duplicates. You will find the same structure of folders in PST file after processing and all the associated attributes remain intact while fixing duplicates.


Save unique data in new PST

After removal of duplicates, the software provides users the option to save the unique data items by creating a new folder and at their desired location. By the removal of duplicates, managing Outlook becomes easy without slowing down its performance.


Swiftly install on all Windows OS

Outlook Email Duplicate Remover Program is designed to run on Windows OS. So, users can effectively install the software on all versions of Windows operating systems including the latest Windows 10 and below versions like 8, 7, XP, etc.


Remove duplicates in bulk

The software easily process multiple PST files of Outlook at once. Users can add multiple Outlook PST files at once to fix all duplicate items without Outlook installation and MS Exchange Server connectivity.


Remove OST file duplicates

The application removes all duplicate items from OST files as well. Without connectivity to Exchange Server, all duplicates can be eliminated from Outlook Offline Storage Table (OST).


Free Outlook Duplicate Remover

You can assess the performance and get aware of all features of the software by downloading a free demo version. The free version is similar to licensed one but you can only find duplicates with free version. To export the items, go for the licensed version.

Tools Faq's

No, you don't need MS Outlook to use the software.
No, the software does not affect the originality of data items contained by PST file. It preserves every bit of information after removing duplicates.
Outlook PST File Duplicate Remover checks for duplicates in both ways: within a folder and across the folders and detects duplicates from PST file.
No, there is no such file size-related restriction. You can remove duplicates from any size PST file.

Software Specifications

System Requirement

ProcessorAny Pentium Class

Operating SystemWindows 10, 8.1, 8, 7 & Other

Memory512 MB Minimum

Hard Disk100 MB of free space for software installation

Software Delivery

ElectronicVia Email


Interface Available

Language SupportedEnglish

Support OptionEmails, Chat & Skype

Feature Comparison of PST Duplicate Remover - Trial and Licensed Version

  • Remove Duplicate Emails
  • Add Outlook Files & Folder
  • Remove duplicates within the Folder(s)
  • Remove duplicates across the Folder(s)
  • Remove Duplicates from PST/OST Files(s)
  • Support Offline OST File
  • Support Windows 10/8/7/others
  • Limitation
  • Price
DEMO Version
  • Count Duplicate Emails
  • FREE
FULL Version
  • Remove Duplicates
  • $29

Client Reviews

Jim Cody

United States

  Thanks to the developers who developed this Outlook Duplicate Remover so that Outlook data management become much easier. Removal of duplicates from PST folder is done quickly without affecting original items, which is much appreciated about the utility.   

Gianpaolo Cerrato


  It leads a big confusion when I discovered that emails in my Outlook 2010 account were replicated. Thanks to Softaken PST Duplicate Remover which cleans all duplicates from Outlook by consuming a few minutes.   



  This is the best application I have ever found to remove duplicate items from PST file with ease and provides me an option to save resultant PST at my location.   

Luca Zaghini

San Marino

  Softaken PST File Duplicate Remover is a worth buying software! It has successfully eliminated all duplicate emails from PST file even without installing MS Outlook.