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SysTools Outlook Duplicate Remover

Certified tool to remove duplicate emails, contacts, calendars, and other Outlook items from PST, OST, and BAK files

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Standalone utility that removes duplicate items from Outlook without requiring Microsoft Outlook installation, supporting multiple file formats and offering

Overview

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SysTools Outlook Duplicate Remover is a certified standalone tool designed to remove duplicates from Microsoft Outlook data files including PST, OST, and BAK formats. The software eliminates duplicate emails, contacts, calendars, journals, tasks, and notes with complete accuracy while preserving folder hierarchy and data integrity.

The tool operates in two modes: Within Folder mode for removing duplicates from a single folder, and Across Folders mode for eliminating duplicates distributed across multiple folders. Users can choose from multiple removal actions including permanent deletion, moving to a folder, flagging, or marking as expired.

It supports batch processing of multiple Outlook files simultaneously and works with password-protected files. The software provides advanced filtering options based on custom date ranges and specific item properties, with the ability to split oversized files ranging from 10 MB to 200 GB. Users can run the tool without administrator privileges and generate CSV reports of the deduplication process.

Feature notes

  • Removes duplicate emails, contacts, calendars, tasks, journals and notes
  • Works with PST, OST, and BAK file formats
  • Operates without requiring Microsoft Outlook installation
  • Batch processing of multiple files simultaneously
  • Multiple removal actions including permanent delete, move to folder, flag, and mark as expired
  • Process duplicates within single folder or across multiple folders
  • Advanced duplicate detection based on 14 email properties
  • Date range filtering for old and current duplicate data
  • Split oversized files from 10 MB to 200 GB
  • Preserves folder hierarchy and data integrity during process

Pricing

Pricing model: Paid

$49 USD

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FAQ

What file formats does the tool support?
The tool supports Outlook PST, OST, and BAK file formats for duplicate removal across Windows and Mac operating systems.
Can I use this tool without installing Microsoft Outlook?
Yes, the tool is designed as a standalone utility that allows you to remove duplicate items without requiring Microsoft Outlook to be installed on your system.
What types of duplicate items can be removed?
The tool can remove duplicate emails, contacts, calendars, journals, tasks, and notes from Outlook files with multiple filtering options available for each item type.
What removal actions are available?
The tool provides multiple removal options including permanently delete, move to a folder, flag items, and mark as expired, giving users flexibility in how duplicates are handled.
Can the tool work with password-protected files?
Yes, the tool includes the capability to delete duplicate items from password-protected Outlook PST and OST files.

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