Cigati OST to Office 365 Migration Tool - 2026 Pricing, Features, Reviews & Alternatives

Cigati OST to Office three sixty five Migration Tool is a specialized email migration application that facilitates conversion and transfer of offline Outlook OST files to Microsoft Office three sixty five cloud-based mailbox accounts. The application preserves the complete mailbox data, including emails, calendars, contacts, drafts, sent items and nested folder structures, without altering the original data integrity. The design of the utility addresses requirements of IT administrators, system integrators, enterprise organizations and managed service providers that require reliable legacy data migration solutions. The standalone architecture operates without external software dependencies.

The software extends conversion capabilities beyond Office three sixty five migration by supporting export to a variety of file formats such as PST, MBOX, EML, MSG, CSV, PDF, GIF, JPG, TIFF, HTML, MHTML, PNG, DOC, DOCX, DOCM and JSON. It supports migration to multiple email and cloud mailbox clients, including Gmail, Yahoo Mail, Thunderbird, IMAP, AOL Mail, Hotmail, Opera Mail, Zoho Mail, Yandex Mail, Live Exchange, iCloud, GoDaddy Email, HostGator Email and Amazon WorkMail. Selective migration functionality enables administrators to choose specific folders or items from a displayed tree structure for conversion. A built-in preview feature permits examination of mailbox contents and attachments before initiating migration tasks.

Date range filtering permits migration of emails within specified time intervals to facilitate targeted data transfers. Duplicate email removal options based on sender, recipient, subject and date preserve mailbox quality by excluding redundant messages. The original folder hierarchy is maintained throughout the conversion process to ensure organizational consistency. A split resultant PST feature divides large OST files into smaller segments based on configurable size thresholds expressed in megabytes or gigabytes.

This Windows based utility is compatible with Microsoft Windows eleven and all earlier versions. Batch processing support accommodates enterprise scale migration of multiple OST files in a single session without file size restrictions. Modern authentication protocols enable secure connectivity to Office three sixty five, requiring administrator consent for organization-wide access and enabled user sign-in for token generation. Detailed log reports document each stage of the migration process, with configurable storage locations for both log files and temporary data. A demonstration version permits evaluation of core functionality with a limitation on migrated items per folder, while fully licensed versions offer unrestricted migration capabilities and continuous technical support.