Jagware
Outlook Duplicate Items Remover

Outlook Duplicate Remover is top-marked software to remove duplicate Outlook items such as emails, contacts, calendars, journals, tasks, notes and other Outlook items.

(Average Rating 4.9 based on 200 Reviews)

Automatically locates Outlook files from the default Outlook data location.
Includes Recovery Mode to repair and create healthy Outlook files.
Provides Dual Mode Search to search across all folders or within a specific folder.

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VirusTotal Safety Score: 100%

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30 Days Money Back*

Download Now
VirusTotal Safety Score: 100%

Purchase Now
30 Days Money Back*

Live Free Demo: In a free version, you can only remove 25 duplicate items from each folder of Outlook.

Screenshot video

Video

Software Guide pdf

Eula

Features

Useful Features of Outlook Duplicate Remover

Batch Support

PST Duplicate Email Remover supports the removal of duplicate Outlook items from individual files or in batch mode—all at once—without any limitations.

Auto Detect

The tool includes an Auto-Detect feature that automatically locates Outlook files from their default location. No need to manually find the default Outlook file path.

Let Me Select Feature

The software offers a "Let Me Select" feature (Select Files or Folders), allowing users to browse and locate Outlook files from any specific location on their system or external drives (ensure external storage is properly connected).

Use Recovery Mode

The Recovery Mode feature helps repair minor corruption in Outlook files while also removing duplicate items, delivering healthy and usable Outlook data files.

Preview Folder Feature

This feature enables users to preview Outlook folders before processing, making it easy to verify and select the folders from which duplicate items should be removed.

Dual Scan Mode

The tool provides two scan modes: “Search Duplicates Within the Folder” or “Search Duplicates Across Folders” options to help accurately detect and remove duplicate items based on your scanning preference.

Support Filter Option

Advanced filters let you customize export settings by date range, sender, recipient, subject, saving folder name, and more. You can also choose to exclude empty folders and generate an error log for critical data handling—helping avoid unnecessary files.

Retain Outlook Items

The tool maintains all metadata (To, CC, BCC, Subject, etc.), preserves original formatting, and keeps attachments in their native file extensions—without altering your Outlook data.

Language Support Feature

Supports exporting with default folder names in multiple languages including: English, Dutch, French, German, Spanish, Swedish, Norwegian, Italian, Finnish, Polish, and Czech—based on your language preference.

Selective Export Settings

Allows selective export based on email duplication filters such as: From, To, CC, Subject, Body, Attachments, Time, Received Time, Sent Time, and more.

Split Feature

If Outlook files become too large due to duplicate content, the Split PST feature can be used alongside duplicate removal to manage file size and eliminate unwanted emails.

Supports All Outlook File Types

Compatible with both ANSI and Unicode Outlook files, allowing easy location and duplicate removal from OST and PST files alike.

Offers UNICODE PST File

Outlook Duplicate Email Remover offers UNICODE PST file to easily access in all the versions of Outlook without facing any compatibility issues.

Destination Freedom

This software offers complete destination flexibility to easily export at any location on your internal storage and also offers you to export any external storage device such as HDD, SSD, USB, or any other storage devices.

Live Progress

This tool shows you live conversion with a mailbox folder name to keep users informed about the progress of removing duplicate items from Outlook..

Log Report

It generates a log report with successfully removing duplicate items and errors during progress or failing to remove duplicate data and how much duplicate data found and removed from Outlook files.

Outlook Version Compatibility

This software is workable with almost every Microsoft Outlook version such as Outlook 2021, 2019, 2016, 2013 and all earlier versions.

Compatibility

This software is workable with all major Windows operating systems such as Windows 11, Windows 10, Windows 8, and Windows 7 and also compatible with all versions of Mac operating systems.

Ideal Users of the Tool

Let’s know the Reasons to Opt Outlook Duplicate Remover

forensic investigators

Forensic Investigators

It offers accurate email evidence by eliminating duplicate entries that can confuse timelines or inflate datasets.

it departments

IT Departments

Maintained mailbox data reduce server load, and prevents Outlook sync and storage issues.

legal

Legal and Compliance

Prevent errors in case files by eliminating redundant data and verify compliance data with audit and storage policies.

entrepreneurs and professionals

Entrepreneurs

Keep mailbox clean and organized for better email communication and faster access to crucial emails.

Specifications

System Requirements for Outlook Duplicate Remover

Software Download

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File Size: 8.50 MB

Version: 6.3

Free Version

In a trial version, you can only remove duplicates from the first 25 items from each folder of Outlook.

System Specifications

Hard Disk Space
Minimum 100 MB Space

RAM
Minimum 4 GB RAM

Processor
Intel Pentium 1 GHz Processor(2.4Ghz is recommended)

Supported Editions

Microsoft Windows – Windows 11, 10, 8.1, 8, 7, Vista, and Windows Server editions including 2022, 2019, 2016, 2012, 2008, and 2003.
Mac OS: Versions 15 Sequoia, 14 Sonoma, 13 Ventura, 12 Monterey, 11 Big Sur, 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, and more.

Product Guides

Electronic Delivery

In a trial version, you can only remove duplicates from the first 25 items from each folder of Outlook.

Common Queries

Often Inquired Questions and Answers

Expert Recommended Jagware Outlook Duplicate Items Remover can scan and remove emails, contacts, calendars, tasks, notes, journals from PST and OST files.

Yes, it allows you to insert batch Outlook files and remove duplicates from all Outlook files at one shot.

Yes, it allows folder-wise selection so you can remove duplicates from selected folders only.

Yes, After removing duplicates this software exported the cleaned data into a new resultant PST file.

It often happens due to incorrect configuration, sync issues or Outlook rules that re-download emails. It can also occur if the server doesn’t mark emails as read after download.

Use Outlook People view to sort and manually delete duplicates and use Jagware Outlook Duplicate Remover to automatically scan and eliminate duplicate contacts in Outlook.

To remove duplicate rules in Outlook, navigate to file and click on Manage Rules and Alerts. Review your rule list and delete duplicate rules in Outlook.

Outlook offers three options during import: replace duplicates, allow duplicates or skip duplicates. Choose appropriate settings to handle your PST data.

Duplicate mailboxes may appear due to profile errors. Remove them by deleting and recreating the Outlook profile via Control Panel then click on Mail(Microsoft Outlook) and hit on Show Profiles and press on repeated profiles.

Switch to Calendar View, sort events by date or subject and manually delete duplicates. For bulk removal,, use specialized Jagware Outlook Duplicate Items Remover.

You can sort emails with attachments and manually delete duplicates or use Expert Recommended Jagware Outlook Duplicate Items Remover that can scan and remove repeated tasks in Outlook.

You can sort emails with Attachments and manually delete duplicates, or use Top Jagware Outlook Duplicate Email Remover to auto detect and remove repeated attachments in Outlook.

Use the CleanUp feature in Outlook to remove duplicate contacts in Outlook or manually open and merge by choosing Link Contacts to combine them into a single contact record.

Use inbuilt CleanUp Tool under the home tab to remove redundant messages from conversations folders or entire mailboxes in just a few clicks.

Prevent duplicates emails in Outlook by disable multiple send/recieve accounts, avoid duplicate rules and ensure proper sync with mail server.

Client Testimonials

What Users Say After Using Jagware Outlook Duplicate Remover?

Michael Chen

Canada

Jagware Outlook Duplicate Remover helped me clean up thousands of duplicate emails after a bad PST import. It was quick, easy, and saved me hours!

Sarah Patel

United Kingdom

I was constantly seeing duplicate contacts and calendar entries after syncing Outlook with my phone. Jagware’s tool fixed everything in one scan—amazing!

James Carter

United States

Our team shared mailbox was full of duplicates after a migration. Jagware removed them all and even let us filter by folder. It made the cleanup stress-free.

Lina Hoffmann

Germany

I imported an old PST file and ended up with hundreds of duplicates. This tool scanned and cleaned everything flawlessly. Outlook runs much smoother now.