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DRS Softech PST Duplicate Remover

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Key Features of DRS Softech Outlook Duplicate Remover

  • Find and delete duplicate emails, contacts, tasks, notes, and journals.
  • Add and scan multiple PST files in one go with batch mode & accuracy.
  • Remove duplicates from PST files of any size without any restrictions.
  • Apply custom filters such as subject, sender, recipient, and date.
  • Manage duplicates by deleting, moving to a folder, and more features.
  • Remove attachments with duplicates or save them separately.
  • Smart Date Range filter and Preview duplicate items before final removal.
  • Works without Outlook installation and supports all Outlook versions.
  • Provides a detailed report of all duplicate items found and removed.
  • Option to backup original PST files before performing any deletion.
  • Quickly scan large PST files without affecting system performance.
  • Supports safe and secure removal without altering the original data.
  • Easy-to-use interface suitable for both beginners and advanced users.
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Best Use Cases for the DRS Softech PST Duplicate Remover

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Free Up Outlook Mailbox Space

Duplicate items like emails, contacts, and attachments can take up a large amount of storage in Outlook. This PST Duplicate Email Remover scans your PST or OST file, detects unnecessary duplicates, and removes them safely. Clearing the clutter helps optimize mailbox space and improve overall Outlook performance.

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Fix Duplicate Emails Due to Server Errors

Server or synchronization issues often lead to the same emails being downloaded multiple times in Outlook. These repeated messages not only confuse users but also crowd the inbox. The Outlook Duplicate Remover efficiently identifies and deletes such duplicates, ensuring a well-organized and clutter-free mailbox.

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Manage Attachments and Reduce Clutter

Large attachments included in duplicate emails can significantly increase the mailbox size. With this tool, users can either remove attachments along with duplicate emails or extract and save them separately. This flexibility allows you to retain only the essential data while keeping your Outlook file clean and lightweight.

Best PST Duplicate Remover with Advanced Features

Below are the advanced features that make this Outlook Duplicate Email Remover an efficient solution to clean up your mailbox and keep it organized.

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Advanced Duplicate Email Detection

The software uses a smart scanning algorithm to detect duplicate items in Outlook PST files. It compares details such as subject, sender, recipient, date, and attachments to identify duplicates accurately. This ensures unnecessary items are removed while preserving your original data.

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Bulk PST File Support

With batch mode, you can add and scan multiple PST files in a single process. This Outlook Calendar Duplicate Remover has several features that save time and effort. It is specially used for users who want to manage large Outlook data files by avoiding the need for separate scans or wasting time.

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No File Size Limit

The tool works smoothly with PST files of any size, whether small or very large. It provides reliable duplicate removal without affecting the speed or performance of Outlook, making it suitable for both personal and enterprise use.

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Smart Date Range and Filters

Users can apply a Date Range filter to clean duplicates within specific timeframes. In addition, task-based filters allow you to focus on duplicates in selected categories like emails, contacts, or calendar entries, offering a customized cleanup process.

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Custom Duplicate Removal Criteria

The DRS Softech Outlook Duplicate Remover allows users to define their own duplicate identification criteria, such as subject, sender, recipient, message body, or attachments. This flexibility ensures that only actual duplicates are deleted while keeping unique items safe.

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Multiple Management Options

Apart from deleting duplicates, the software provides several options to handle them. You can move duplicates to another folder, mark them as expired or flagged, or send them to the trash. This Outlook Duplicate Email Remover gives you more control over how duplicates are managed.

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Attachment Handling Modes

Attachments often make PST files bulky. The tool offers two options:

  • Delete attachments along with duplicate emails.
  • Save attachments separately, even if the duplicate email is removed.
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Free Trial and Technical Support

A free demo version of PST Duplicate Email Remover is available that allows you to remove up to 50 duplicate items per folder. Users can test the tool before purchase, and dedicated technical support is available 24/7 to assist with queries or issues.

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Compatibility with All Outlook & Windows Versions

The DRS Outlook Duplicate Remover is compatible with all Outlook versions, including 2021, 2019, 2016, 2013, 2010, and earlier. It also works seamlessly on all major Windows operating systems. The software works independently without requiring Outlook to be installed on your system. You can directly remove duplicate emails from PST files, making it more convenient and accessible.

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Preserves Folder Hierarchy and Folder-Specific or Complete Scan

Even after duplicate removal, the software keeps your folder structure intact. This ensures that your mailbox remains well-organized with the original categorization of emails, contacts, calendars, and other items preserved. Choose between scanning a particular folder or cleaning duplicates across the entire PST file. This targeted or full-scan option lets you manage your mailbox the way you prefer.

Complete Guide to Using DRS Softech PST Duplicate Remover

  • Step 1: Download and install the DRS Softech Outlook Duplicate Remover.
  • Step 2: Click on Select Files or Multiple Files/Folders to upload PST files.
  • Step 3: Preview the data and select the folders for duplicate removal.
  • Step 4: Apply advanced filters and click Next to remove duplicates.
Full Guide   

Why Choose DRS Softech PST Duplicate Remover?

The DRS Softech Outlook Duplicate Remover is a reliable solution that works with both PST and OST files and ensures accurate detection of duplicate items. It offers multiple options to manage duplicates, such as delete, move, or flag, while running independently without requiring Outlook installation. With support for batch PST file processing. It saves valuable time, guarantees complete data safety, and preserves the original mailbox structure for a seamless Outlook experience.

Comparison of PST Duplicate Remover: Free vs Full Version

Software Feature Free Version Full Version
Remove Duplicate Emails, Contacts, etc. First 50 Items/Folder All
Batch Processing of Multiple PST Files
Attachment Management Modes
Custom Removal Actions
Smart Date & Task Filters
No PST File Size Limitation
Maintain Folder Hierarchy
Outlook & Windows Compatibility
Download and Purchase Download Purchase

Software Specification

System Requirement System Requirement
Operating System: Windows OS 11, 10, 8.1, 8, 7, Vista, XP, 2000, 95, NT, and all others.
Processor: Intel® Core™2 Duo E4600 Processor 2.40GHz
RAM: 8 GB Recommended (8 GB is recommended)
About Software About Software
Version: 23.05
Size: 194 MB
Language Supported: English
License Types: Home | Admin | Technician | Enterprise
Supported Links Supported Links
Software Guide
EULA
Installation/Uninstallation
Software Activation Guide
Additional Information Additional Information
Ans: Follow the steps below if the software is not working properly on your PC.
  1. Go to Windows Defender.
  2. Click on Settings.
  3. Turn off Real-Time Protection.
Without disabling the controlled folder access, the application cannot install some essential programs. It is because the safety feature blocks anything that tries to modify user\{user name} or various other related folders.
Ans: The Antivirus programs block some part of our application which further hinderance the tool working. So, it is mandatory to temporarily disable the Antivirus program. To ensure proper working of the application, Enable the Allow access (Whitelist) from Antivirus setting.
Ans: Disable the antivirus and Windows Defender and add the product to the exception list. The firewall and antiviruses that protect your system from malicious programs also consider our product a threat. So, you need to deactivate the security features.
Ans: Yes, the tool supports SAN, and NAS storage systems provided that the file's access is transparent.
Trial Limitation
The free demo version of the DRS Softech PST Duplicate Remover lets users test its features and performance before purchase. However, it comes with certain restrictions—only up to 50 duplicate items can be removed per folder. To remove all duplicates without limitations and access the complete set of advanced features, users need to upgrade to the full licensed version.

Frequently Asked Questions

Yes. The DRS Softech Outlook Duplicate Remover works as a standalone tool and does not require Outlook to be installed on your system. You can directly scan and remove duplicates from PST and OST files.
Absolutely. The tool is designed to handle PST and OST files of any size without affecting speed or performance. This makes it suitable for both small and large mailboxes.
Yes. The Outlook Duplicate Remover software ensures that your Outlook folder hierarchy remains intact, keeping your mailbox organized even after duplicates are deleted.
The free trial version allows you to remove up to 50 duplicate items per folder. To remove unlimited duplicates and unlock all advanced features, you need to upgrade to the full licensed version.
With the Outlook Duplicate Email Remover, you can delete duplicates and move them to another folder, flag them, or mark them as expired based on your preference.
Yes. The Outlook Calendar Duplicate Remover software provides a preview option so you can review items before performing the final removal.
Yes. With batch mode, you can add and scan multiple PST files in one go. The DRS Softech PST Duplicate Email Remover saves time and offers you error-free results.
No. The software maintains the original folder hierarchy, so your mailbox stays properly organized.
The free demo allows you to remove up to 50 duplicate items per folder. For unlimited duplicate removal, you need to upgrade to the licensed version.
The tool supports all Outlook versions, including 2021, 2019, 2016, 2013, 2010, and earlier. It is also compatible with all major Windows operating systems.
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See What Our Clients Say About Us

Trusted by IT Professionals & Enterprises Worldwide

Secure and Accurate Outlook Cleanup

“I had multiple PST files filled with duplicate emails and contacts. The Outlook Duplicate Remover cleared them in minutes and improved my Outlook speed. The tool is very easy to use.”
- Daniel R.
IT Administrator (New York, USA)

Time-Saving Batch Process

“As an administrator, I needed to clean several PST files at once. This utility handled bulk processing without any errors. It saved me hours of manual effort.”
- Emma
(System Administrator)

Keeps Mailbox Organized

“My Outlook kept downloading duplicate emails due to server errors. With this tool, I was able to remove all extra copies while keeping my folders intact.”
- David
(Business Analyst)

Accurate Duplicate Detection

“The PST Duplicate Remover identified duplicates in my contacts, calendar, and even notes. The filters helped me choose what to remove and what to keep. A reliable solution.”
- Sophia
(Corporate IT Specialist)

Fast & 100% Secure

“Our team manages large PST files daily. This tool cleaned them up without data loss and reduced the mailbox size. It’s fast, secure, and highly effective.”
- Michael
(Project Manager)
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