Softaken PST Duplicate Remover software box

PST Duplicate Remover

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

100% Standalone Utility — Remove duplicates from orphaned or backup PST files without installing MS Outlook.🎯Smart Comparison Filters:Choose item types (Mails,Contacts,Calendars,Notes,Journals,Tasks) and match duplicates — Within Folder or Across Entire PST.🔒Safe Cleanup:Save unique items to a new PST at your chosen output location — keep the original backup for review.
  • Deduplication of all items from Outlook PST file
  • Draw out duplicate items from any large Outlook PST file
  • Support removal of duplicates without MS Outlook
  • Option to fix duplicates from selected or all folders
  • Search duplicates within a folderor across the entire PST(same or different folders)
  • Support PST file of both ANSI &UNICODE formats (Outlook 2002/XP through Outlook 2024 / 2021 / 2019 / 2016 / 2013)
  • 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
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Demo finds &counts duplicates so you can verify results. Full license unlocks unlimited duplicate removal (from $29).
No Outlook requiredANSI &UNICODEWithin / Across foldersMails · Contacts · CalendarsPassword &orphaned PST

See the Duplicate Remover UI

Browse and add Outlook PST or OST files

1. Browse PST / OST

Add single or multiple PST/OST files (including ANSI backups and orphaned files).

Duplicate removal options within folder or across PST

2. Filters &scope

Select Mails,Contacts,Calendars,Notes,Journals,Tasks — then Within Folder or Across PST.

Duplicate removal progress and summary logs

3. Progress &report

Watch progress and review the duplicate-removal summary after processing.

Watch PST Duplicate RemoverDemo

Clean duplicate mailbox clutter without Outlook

See Softaken PST Duplicate Remover load PST/OST files,choose item types and within/across-folder scope,then save unique items to a new output location — standalone on Windows.

  • Browse ANSI / UNICODE PST and OST backups
  • Select emails,contacts,calendars,notes,journals,tasks
  • Search within a folder or across the entire PST
  • Save cleaned unique data to a destination you choose
Watch on YouTubeScreenshotsUser GuideMore Videos

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.

feature

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.

feature

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.

feature

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 11,10 and below versions like 8,7,XP,etc.

feature

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.

feature

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).

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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

Softaken PST Duplicate Remover scans selected mailbox item types — Mails,Contacts,Calendars,Notes,Journals,and Tasks— and identifies duplicate items for removal. You also choose the search scope:within the same folderor across the entire PST(duplicates in the same or different folders).
Yes. You can check or uncheck item types for selective deduplication — including emails,contacts,calendars,notes,journals,and tasks — so only the categories you want are cleaned.
The software uses a safe output workflow:after excluding duplicates,unique items are saved to a new PST at a location you choose. Your original PST/OST backup remains available for review.
Both. Choose “Search Duplicate Item within the folder”to limit matching to one folder,or “Search Duplicates Across PST File”to find duplicates even when they sit in different folders.
No. Softaken PST Duplicate Remover is a 100% standaloneWindows utility. You can clean orphaned or backup PST/OST files without installing or configuring Microsoft Outlook.
Yes. It supports both ANSIPST files (older Outlook 2002/XP-era archives) and UNICODEPST files used by modern Outlook editions such as Outlook 2024,2021,2019,2016,and 2013.
Yes. The tool works with password-protected and orphanedPST files (provide the password when prompted). There is no artificial size cap for typical large multi-gigabyte PST archives;available system resources (RAM and free disk space) should be sufficient.
The free demo lets you find and count duplicate itemsso you can verify detection and scope options. The full license unlocks unlimited duplicate removaland saving cleaned unique data (from $29).

Software Specifications

System Requirement

ProcessorAny Pentium Class

Operating SystemWindows 11,10,8.1,8,7 &Other

Memory512 MB Minimum

Hard Disk100 MB of free space for software installation

Software Delivery

ElectronicVia Email

Minutes15

DemoFind &count only

Full LicenseFrom $29

Interface Available

Language SupportedEnglish

Support OptionEmails,Chat &Skype

PST TypesANSI &UNICODE

Outlook InstallNot required

Download Guides

Installation Guide

User Manual

Purchase Related FAQs

Recent Blogs

Feature Comparison of PST Duplicate Remover - Trial and Licensed Version

Features
  • 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 11/10/8/7/others
  • Limitation
  • Price
DEMO Version
  • Find &count duplicates only
  • FREE
FULL Version
  • Unlimited remove &save unique PST
  • $29

Demo version finds and counts duplicate items so you can verify filters and scope. Full license unlocks unlimited duplicate removal and saving cleaned unique data to a new PST.

Client Reviews

Jim Cody Verified

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 Verified

Italy

★★★★★
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.

BEATRIZ UBIERNA Verified

Spain

★★★★★
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 Verified

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.
Write a Review

Frequently asked questions

How does the software detect duplicate items inside an Outlook PST file?

It scans selected item types (Mails,Contacts,Calendars,Notes,Journals,Tasks) and finds duplicates within a folder or across the entire PST.

Does the tool remove duplicate contacts,calendar entries,and tasks along with emails?

Yes. You can selectively include emails,contacts,calendars,notes,journals,and tasks for deduplication.

Can I choose to move duplicate items to a separate folder instead of permanently deleting them?

Unique items are saved to a new PST at a location you choose,so your original backup remains available for review.

Does the software detect duplicates across different folders or only within the same folder?

Both options are available:within a single folder,or across the entire PST file.

Do I need to have Microsoft Outlook installed on my PC to remove PST duplicates?

No. Softaken PST Duplicate Remover is a standalone Windows utility and does not require Microsoft Outlook.

Does this tool support both ANSI and UNICODE Outlook PST file formats?

Yes. It supports ANSI (older Outlook) and UNICODE PST files used by modern Outlook editions including 2024,2021,2019,2016,and 2013.

Can I process password-protected,encrypted,or oversized (50 GB+) PST files?

Yes. Password-protected and orphaned PST files are supported,and there is no artificial size cap for typical large multi-gigabyte archives.

What are the limitations of the free trial version of PST Duplicate Remover?

The free demo finds and counts duplicates. The full license unlocks unlimited duplicate removal (from $29).

Specifications
ItemDetails
ProductPST Duplicate Remover
PublisherSoftaken Software
PlatformsWindows (standalone — no Outlook required)
DemoFind &count duplicates
Full licenseFrom $29
Pagehttps://www.softaken.com/pst-duplicate-remover