KERNEL FOR OST TO PST
File converter software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is KERNEL FOR OST TO PST
Kernel for OST to PST is a Windows utility that converts Microsoft Outlook OST (Offline Storage Table) files into PST files for import into Outlook. It is typically used by IT administrators and support teams during mailbox recovery, migrations, or when an OST file must be accessed outside its original Exchange/Outlook profile. The tool focuses on extracting mailbox data (emails, attachments, contacts, calendars) from OST and saving it to PST and other export formats, with options to filter or select items during export.
Purpose-built OST to PST conversion
The product is designed specifically for converting OST data into PST for Outlook import. This narrow scope aligns with common helpdesk and migration workflows where OST files must be recovered or moved. It supports exporting typical mailbox item types such as mail, attachments, contacts, and calendar entries. Compared with general document converters, it addresses Outlook data structures directly.
Selective export and filtering
The tool provides options to choose folders or item types for export rather than forcing a full mailbox conversion. This can reduce output size and speed up targeted recoveries (for example, exporting only Inbox or a date range). It also helps when only specific users’ folders are needed for an investigation or eDiscovery preparation. These controls are relevant for operational IT use cases.
Multiple output options
In addition to PST, the product commonly supports exporting to other formats (for example, EML, MSG, MBOX, or PDF) depending on edition. This can help when the destination is not Outlook, or when data must be provided in a review-friendly format. Having multiple export targets reduces the need for separate conversion utilities. It is positioned as a standalone desktop converter rather than a broader content management suite.
Windows and Outlook dependency
OST/PST workflows typically require Windows and are closely tied to Microsoft Outlook and Exchange profile behavior. In many environments, conversion and validation still depend on Outlook compatibility and version alignment. This can limit use in macOS-only teams or server-side automation scenarios. Organizations may need additional steps to verify the resulting PST in Outlook.
Licensing and edition complexity
Capabilities (such as saving to certain formats, batch processing, or advanced filters) may vary by license tier/edition. This can make it harder to estimate total cost until requirements are mapped to the correct edition. Procurement teams may need to validate what is included in the purchased license versus trial limitations. Ongoing needs (multiple machines or technicians) can require additional licenses.
Not an end-to-end migration tool
The product focuses on file conversion rather than full mailbox migration, coexistence, or tenant-to-tenant moves. It does not replace administrative migration tooling for Exchange or Microsoft 365, nor does it manage identity, permissions, or mailbox provisioning. For large-scale projects, teams may still need separate tools and processes for discovery, staging, and post-migration validation. It is best suited to file-level recovery and export tasks.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Personal | $49 (discounted from $79) | Personal-use license; 1-year validity & updates; install on 2 systems; converts OST to PST. |
| Home | $99 (discounted from $199) | OST to PST + Email to PDF; 2-year validity; install on 20 systems. |
| Corporate | $199 (discounted from $299) | OST to PST + Email to PDF + Attachment Extractor + Duplicate Remover; lifetime license & updates; install on 250 systems. |
| Technician | $399 (discounted from $499) | All Corporate features plus PST Password Recovery & OST to Office 365; lifetime license; unlimited systems. |
