Shoviv OST Viewer Tool - 2026 Pricing, Features, Reviews & Alternatives

Shoviv OST Viewer Tool is a freeware utility designed to open and view Offline Storage Table files without requiring Microsoft Outlook installation. This standalone application enables IT administrators, email forensics professionals, system administrators, and technical support personnel to examine OST file contents for troubleshooting and data recovery assessment. It supports healthy and corrupted OST files and provides visibility into mailbox items such as emails, attachments, calendars, contacts, tasks, notes, and journals. The tool addresses scenarios in which OST files become inaccessible due to corruption, synchronization errors, or unavailability of Outlook by verifying data integrity and facilitating content examination before recovery or conversion processes.

The software supports viewing multiple OST files in a single session with no restrictions on file size or quantity and preserves the original folder hierarchy. The interface presents a navigation tree that enables expansion and review of individual folders and items. Metadata and item properties remain intact throughout the viewing process. The application enables preview of email messages alongside attachments, contact details, calendar entries, appointment information, task lists, and notes without altering the source OST file.

The tool operates as a standalone application with no dependencies on external email clients or additional software components. It does not require Microsoft Outlook installation, Exchange Server connectivity, or profile setup. The application is compatible with desktop environments running Windows seven, eight, eight point one, ten, and eleven and server deployments on Windows Server two thousand eight, two thousand twelve R two, two thousand sixteen, two thousand nineteen, two thousand twenty two, and two thousand twenty five. It also functions within virtual infrastructures including VMware vSphere, VMware Workstation Pro, Microsoft Hyper V, and Oracle VirtualBox.

Shoviv OST Viewer Tool requires minimal system resources including a processor speed of one gigahertz with two gigahertz recommended, one gigabyte of memory, and two hundred fifty megabytes of available disk space. The freeware version offers unlimited viewing capabilities but does not include export or conversion features. An upgrade to the licensed OST to PST Converter version enables conversion of OST files to PST format and export to multiple formats such as MSG, EML, HTML, MSG Unicode, CAL, vCard, vCal, and RTF. The licensed edition also supports migration to on premises Exchange and Office three hundred sixty five mailboxes.