Cigati PST Duplicate Remover

Cigati Outlook PST Duplicate Remover is a reliable and easy-to-use solution designed to find and remove duplicate items from Outlook PST files. The software helps users clean up mailbox data by deleting repeated emails, contacts, calendars, tasks, and notes, making PST files lighter and better organized.

This tool scans PST files quickly and accurately, identifying duplicate items based on multiple criteria such as subject, sender, date, and size. Users can remove duplicates from a single PST file or from multiple PST files at once, saving both time and storage space. The original folder structure and data integrity are always preserved during the cleaning process.

Key Capabilities

Remove Duplicate Items from Outlook PST Files

Efficiently detects and eliminates duplicate emails, contacts, calendars, tasks, journals, and notes to clean up PST files and improve Outlook performance.

Intelligent Duplicate Identification

Uses advanced filters such as Subject, Sender, Recipient, Date, Attachment, and more to accurately identify duplicates and minimize false positives.

Bulk PST Cleanup

Supports processing multiple PST files in a single operation — ideal for IT administrators or power users managing large archives.

ANSI & UNICODE Support

Full compatibility with both ANSI and UNICODE PST formats ensures broad Outlook data file support.

Preview Before Removal

Offers a preview of scanned duplicate items prior to removal, giving users full control and confidence before cleanup actions.

No Outlook Required

Operates independently of Outlook — duplicate detection and removal can be performed even when Outlook is not installed.

Save Cleaned Files Safely

After deduplication, unique items can be saved into a new PST file, preserving the original PST for backup or auditing.

Simple UI & Broad Compatibility

Features a user-friendly interface that suits both novice and experienced users. Compatible with all major Outlook versions and Windows environments.

Why Choose Cigati Outlook Duplicate Remover

• Enhanced Outlook Performance - Removes unnecessary duplicate items that can slow search and indexing.

• Data Integrity Assured - Ensures original item properties and folder structure remain intact throughout the deduplication process.

• Flexible Workflow - Offers selective or bulk cleaning based on user needs.

• Ideal for IT & Personal Use - Useful for individuals, help desk professionals, and enterprise administrators.

Use Cases

• Clean oversized PST archives before migration or backup

• Improve Outlook responsiveness by removing redundant records

• Standardize PST data for compliance or auditing

• Bulk deduplication of PST files across departments

Supported Environments

Microsoft Outlook PST: ANSI & UNICODE PST

Windows OS: Windows 7, 8, 10, 11 (and later)