OST to PST Converter Tool
File converter software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if OST to PST Converter Tool and its alternatives fit your requirements.
Free Trial unavailableFree version unavailable
Small
Medium
Large
-
What is OST to PST Converter Tool
OST to PST Converter Tool is a utility that converts Microsoft Outlook Offline Storage Table (OST) files into Personal Storage Table (PST) files for use in Outlook and related email migration or recovery workflows. It is typically used by IT administrators, help desks, and individuals who need to extract mailbox data from OST files for backup, portability, or account/server change scenarios. The product category generally focuses on preserving email items (messages, attachments, contacts, calendars) while changing the container format. Specific capabilities and supported Outlook/Exchange scenarios vary significantly by vendor and edition.
Purpose-built OST to PST conversion
The tool addresses a specific, common Outlook data portability need: converting OST data into PST format. This can support mailbox recovery, user offboarding, and moving data between profiles or environments. Compared with general document converters, it focuses on email-store structures and Outlook item types.
Supports multiple mailbox item types
OST-to-PST converters typically handle more than email messages, including attachments, contacts, calendars, tasks, and notes. This breadth reduces the need for separate export steps for different Outlook data classes. It also helps maintain usability of the resulting PST in Outlook.
Useful for admin workflows
These tools are often used in IT operations where access to the original mailbox or server is limited or unavailable. They can help create an archive PST for compliance, eDiscovery preparation, or user data handover. In practice, they can reduce manual effort compared with recreating data through Outlook exports when OST access is constrained.
Vendor and edition ambiguity
“OST to PST Converter Tool” is a generic product name used by multiple sellers, and capabilities differ widely across implementations. Without a clearly identified publisher, it is difficult to verify supported Outlook versions, Exchange/Microsoft 365 scenarios, and licensing terms. This increases procurement risk compared with well-documented, vendor-identified products.
Potential fidelity and integrity gaps
Conversion quality can vary, especially for complex items such as recurring meetings, custom forms, categories, and metadata. Some tools may not preserve folder hierarchy, read/unread state, or message headers consistently. Validation typically requires test conversions and spot-checking in Outlook.
Security and compliance considerations
Email stores contain sensitive data, so running third-party converters can introduce data handling and chain-of-custody concerns. Some tools require local admin rights, create temporary files, or lack clear documentation on encryption at rest and secure deletion. Organizations may need additional controls (isolated workstations, logging, retention policies) to use such tools safely.
