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Outlook Duplicate Remover v2.0

Remove Duplicate Outlook Emails, Contacts, Calendars Effortlessly

Outlook Duplicate Remover Box
SysInfoTools Outlook Duplicate Remover is a perfect tool to delete duplicate mailbox items including emails, contacts, calendars, journals, etc. from Outlook PST file. With the PST Duplicate Remover Tool users can easily reduce the size of MS Outlook PST Files without any effort. The tool entirely removes all duplicates from source PST file and helps in reducing the PST file corruption. Once all the duplicate mail items removed from your MS Outlook profile, you will observe that your PST mailbox become lighter and performance of Outlook gets increased.

  • Supports multiple Outlook PST files at a time & Date Range Feature.
  • PST duplicate remover provide Multiple Options to remove copied PST items.
  • Provides the feature of comparison criteria for removing particular type of PST duplicate items.
  • Creates a complete new PST file in which no duplicate items are stored.
  • Displays the file specification of selected PST file (if single) automatically.
  • Previews the mailbox data of selected PST file (if single) in a perfect tree structure.
  • Provides option for searching duplicity of items in same folder or across PST file.
  • Free Duplicate Remover Tool successfully delete first 25 PST files.
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Key Features of Outlook Dupicate Remover

mbox to pst
Safe, Quick, and Flawless

PST Duplicate Remover is very quick tool in removing duplicate PST items. The Tool is capable of deleting multiple duplicate mailbox folders in a single go. It successfully finds PST Files and removes all the duplicate items from MS Outlook. Outlook Duplicate Remover is also very safe to use, it safely scans PST Mailbox in read only mode and does not harm any PST file.

remove duplicate
Multiple Options to Remove Duplicates

Being a multifunctional, Software provides you various option to remove duplicate items. With this tool, users get options like Delete permanently, Mark as expire, Move to deleted folder, Copy to Sub folder, Move to sub Folder, Put Flag and many other options. Users can select the options as per their preference and can removes the copied PST files with great ease and effectiveness.

Select mailbox items
Batch Removal of Mail Items

Software effectively removes duplicate mail items from single and multiple Outlook PST files at a single time. With this feature of Outlook PST Removal Tool, you can either select multiple PST files from your system or you can search them using its search feature.

File information
Displays File’s Information

The PST Duplicate Remover tool allow the users to see file specification of the selected PST. The File Specification is displayed in the right pane of the window, which includes file name, file size, file type, total number of email items and total number of folder inside the selected file.

Advance search
Advanced search feature

SysInfo PST Duplicate Remover is facilitated with all useful features so that anyone can handle it with great ease. You can use this Search Option to find your particular Outlook PST files from system directories. Users can search the duplicates items in the same folder or search duplicates items across the PST file.

PST Formation
Adding PST file(s) to Outlook

This software lets you add the newly created PST files to Microsoft Outlook profile directly with ease. With this option users can access all the newly added PST data in their current Outlook Profile. No need to create separate Outlook profile to view the filtered mail items.

Duplicate remove
Comparison Criteria Selection

This is an incredible option of Outlook Duplicate Remover which allow users to select single or group of fields to compare items. Users can select options including Text, Subject, Sender Email, etc. of which they want to remove the duplicity from the chosen PST file. Based on selected fields, Software will compare items and mark them as duplicate.

Date range
Date Range Filters

With this Outlook Duplicate item Remover, users can deletes duplicate items falling in specific date range either by choosing the option ‘Select predefined period’ or ‘specify time period manually’ This feature enables the users to filter and save only required PST email data.

Windows compatible
Supportability and Compatibility

The PST Duplicate Remover Software extends wide supportability to all major versions of MS Outlook and high compatibility with all popular Windows operating systems. Software smoothly runs on all Windows-based platforms including the latest Windows 10 and by all major versions of Microsoft Outlook like 2002, 2003, 2007, 2010 and 2013 including latest 2016.

Saving option
User-specific Saving

While deleting duplicates emails & other items from the PST files, users have the option to choose a desirable location tool. Also, if required you can make a new folder to save the output files in it. This tool provides options to remove the duplicity of items in the original PST file by choosing option from dropdown list or you can create new PST file(s) at user-specific location for saving output.


Important Note: Make sure that PST file is not password protected or corrupted

Why should you remove Outlook duplicates?

If you use Outlook client in your day-to-day life, you must send/receive hundreds and thousands of email messages each and every day. This will cause you a large mailbox. Being a regular Outlook user, you must be aware of the fact that PST file has a certain size limit. If you’re using any old Outlook version, i.e. Outlook 97 to 2002, the file is saved in ANSI format which has a maximum size limit of 2 GB. It can only store up to 2 GB of mailbox. Outlook 2003 and later versions save PST file in a new format, called Unicode which has maximum size limit of 20 to 50 GB. Whenever a PST file is reached to its maximum size, Outlook users face severe issues and problems related to Outlook performance. But if the mailbox size goes beyond its limit, PST file becomes prone to corruption. You should make sure that a PST files never reaches to its maximum size.

Duplicate items in Outlook cause large mailbox

The most common reason behind a large mailbox is duplicate items. Have you ever seen any duplicate item in your PST file? Do you know what exactly a duplicate item is? It can be anything, an email message or a contact. Think you’re having 1000 email messages in your Inbox folder, 100 KB each. In this way, the total size of your Inbox folder should be 100 MB. But if you’re having 500 duplicates of those email messages, it’ll definitely increase your mailbox size from 100 MB to 150 MB. You might have thousands of duplicate items in your Outlook mailbox. You must remove Outlook duplicates to make your PST files handy, so that you can avoid Outlook corruption.

Frequently Asked Questions

Comparision of Trial & Full Version

Product Features Free Version Full Version
Supports single as well multiple Outlook PST file at a time check mark check mark
Displays the PST file information automatically check mark check mark
Previews the mailbox data in a perfect tree structure check mark check mark
Provides Search options for duplicates items check mark check mark
Remove Duplicate Items First 25 Emails Only All
24*7 Tech Support & secure 100% check mark check mark
Price FREE $29
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Clients Reviews

"After converting my large size OST files into PST, I found the duplicate data in the PST files. I tried to remove those duplicate data manually, but due to huge number of PST files, it was difficult to remove all of them. After all efforts, I’ve decided to use any duplicate remover and found this unique solution. I am very happy to use that. Thanks"

- Janet James, Italy

"It is an easy and fast way to remove duplicate data from Outlook. Also, I am fully satisfied with the SysInfoTools efforts and customer support."

- Jimmy Powell, China

"I was very confused to find the duplicate data because I have 1000+ files in my Outlook. But, with SysInfoTools Duplicate Remover, I was able to select and delete the duplicate data. Thanks guys for this solution."

- Carolyn Allen, Moscow

"SysInfoTools Outlook Duplicate Remover provided many unique features in a cheaper price and that why I’ve selected this from all others. Selection of comparison criteria, displays file’s information in a single pane and data range attracts me more. Rated - 5 star!"

- Henry Clark, Paris