SysTools Outlook Duplicates Remover

Batch Data Deduplication

The Outlook Duplicates Remover software allows you to remove duplicates from multiple Outlook PST/OST files at once. You can add a folder having multiple PST, OST files in it and software will remove all duplicates items from each file.

Find PST Files on Disk

This Outlook Duplicate Cleaner software provides Search feature to find out Outlook PST & OST file in the local hard disk. You can either find Outlook data files in a individual logical drive (C: D: E:) or all drives at once for duplicate removal process.

Remove Outlook Duplicate Items

It is possible to clean up the duplicates from all items within Outlook PST/OST file. You can remove duplicates as well other items: contacts, calendars, tasks, notes, and journals using multiple properties.

Dual Mode to Remove Duplicates

SysTools Outlook duplicate remover tool has two mode for duplicate cleaning method. Within Folders mode is preferable to remove duplicate within a single folder. Across Folders mode preferable for removing duplicates across the selected PST/OST folder.

Include/Exclude Any Folder/Category

On the software interface, there are provisions to include required folders or specific categories for duplicate erasing process. Not required folders (Junk/Spam/Deleted Items etc.) and categories can be excluded from duplicate cleaning process.

Multiple Actions to Remove Duplicate Items

This Outlook PST duplicate remover tool provides various actions to remove duplicate emails from Outlook PST, OST file like Delete Permanently, Move to a Folder or Deleted item folder, Put Flag, and Mark as Expire.

Reduce Outlook Data File Size

This Outlook Duplicates remover software comes Split PST File option. So, one can reduce the PST/OST file size size during the process of removing duplicate from Outlook data file. The maximum size limit is by 200 GB to split the file.

Multiple Date Filter

SysTools Outlook duplicate items remover comes with a Date Filter option. This date filter option gives users a flexibility to delete duplicate from any date range. In fact users can add multiple date ranges and remove duplicate between that specific data range.

Preserve Meta Properties

Outlook duplicate remover software maintains the accuracy of data and attributes during removing the duplicates. You will get same data with all its associated attributes such as to, cc, header, bcc, message size, etc. in resultant file,

Maintain Folder Tree

This Duplicate Remover Tool will maintain PST/OST folder structure while draw out duplicates data items. After removing the duplicates, you will find the exact same folder structure in resultant PST/OST file.

Show Deduplication Status

Once you add the PST files for data deduplication, it will show you the current status of each file. Now once the software starts removing duplicate items from Outlook folders, it will show you the status as complete with the number of items processed.

Generate TXT/CSV Reports

This Duplicate Remover Tool will generate a .txt file report that shows the criteria you have selected for removing duplicate items from the Outlook PST/OST file. It creates CSV report having duplicate counts, export counts, failed counts, and failed items list.

Run With/Without Admin Privileges

One of the most amazing feature of this tool is that admin/standard/guest users can run with admin rights. However if standard/guest users don't have the admin rights can run the tool without admin privileges.

Supports Outlook 2021 & Below Version

Outlook Duplicate items remover supports latest Outlook version. The tool remove duplicate items from Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003. You can upload PST file of any Outlook version to remove duplicate in few clicks.