Cigati Outlook Duplicate Remover - 2026 Pricing, Features, Reviews & Alternatives

Cigati Outlook Duplicate Remover is a utility designed to identify and eliminate duplicate items from Microsoft Outlook PST files. The application addresses redundant data accumulation in Outlook mailboxes by removing duplicate emails, contacts, calendar entries, tasks, and journal items. The tool is intended for business professionals, IT administrators, and organizations that depend on Microsoft Outlook for communication and require optimized storage and improved application performance. The software serves users across various industries who manage large volumes of email correspondence and need to maintain clean, organized PST files without compromising data integrity.

The software provides duplicate detection capabilities through multiple comparison criteria. Duplicates can be identified based on subject lines, sender and receiver details, message body content, attachment properties, and other attributes. The search can be configured to operate within individual folders or across entire PST files, offering flexibility in execution. A date range filter enables targeting of duplicate removal within specific time periods by selecting a start date and an end date. A preview function displays detailed information about items before removal, including item count, sender, subject, date, attachments, and content. The application supports various Outlook data file types including PST, OST, and BAK and retains the original folder hierarchy and data formatting throughout the process. A log report documents the operations performed during duplicate removal.

The tool runs as a standalone application on the Windows operating system. The application requires a modern multicore processor, eight gigabytes of memory, and sufficient disk space. It operates directly on local or network accessible PST files and supports SAN and NAS storage systems where file access remains transparent. A demonstration version allows removal of a limited number of duplicate items for functional evaluation prior to obtaining a full license. The licensed edition removes all limitations on duplicate processing and provides round the clock technical support for licensed users.