What are the main features and advantages of Stellar Converter for OST?
OST Conversion – Converts inaccessible OST files into usable PST.
Mailbox Recovery – Extracts emails, contacts, calendars, and attachments accurately.
Preview Access – Lets you review mailbox items before saving.
Selective Export – Saves chosen items without converting entire mailboxes.
Format Flexibility – Exports data to PST, MSG, EML, and PDF.
Workflow Excellence – Supports stable long-term mailbox access and migration tasks.
OST conversion – Converts inaccessible OST files into PST format.
Mailbox preview – Previews emails, contacts, calendars, and tasks.
Deleted items – Extracts deleted mailbox items from OST.
Batch export – Supports batch conversion in higher editions.
Cloud migration – Exports to Microsoft 365 and Exchange.
Core Capacity – Converts emails, attachments, contacts, calendars, tasks, journals, and notes.
Stellar Converter for OST is a business and mailbox conversion utility for extracting Outlook data from orphaned or inaccessible OST files into Outlook-compatible and migration-ready formats. It is designed for mailbox recovery, PST export, Microsoft 365 migration, and Exchange-oriented administration without relying on a healthy original Outlook profile.
Mailbox access – Opens OST data when Outlook access fails.
Broad extraction – Recovers core mailbox items with structure.
Migration ready – Supports direct cloud and server export.
Admin control – Helps with larger and more complex jobs.
Preview safety – Verifies mailbox content before final export.
Time savings – Reduces manual mailbox rebuild effort.
The listed editions build on the same OST conversion engine, but they target different levels of migration and Outlook data management work.
Technician adds PST split or compact plus Microsoft 365 and Live Exchange export.
Corporate focuses on core OST to PST conversion for Outlook use.
Toolkit bundles multiple Outlook data tools around OST and PST management.
Choose Toolkit when conversion is only one part of a larger Outlook repair workflow.
| Feature | Stellar Technician | Stellar Corporate | Stellar Toolkit |
| PST convert | ✓ | ✓ | ✓ |
| Office 365 | ✓ | – | ✓ |
| Live Exchange | ✓ | – | ✓ |
| PST split | ✓ | – | ✓ |
| PST compact | ✓ | – | ✓ |
| Toolkit extras | – | – | ✓ |
Yes, it is designed to convert inaccessible or orphaned OST files into usable mailbox outputs.
Extracts emails, attachments, contacts, calendars, tasks, journals, and notes.
Works when original Outlook access is unavailable.
Useful for mailbox recovery and migration scenarios.
Yes, but direct export depends on the selected edition from the listed versions.
Technician exports to Microsoft 365 and Live Exchange.
Toolkit includes the Technician converter within a larger Outlook toolset.
Corporate focuses on PST conversion rather than direct server migration.
Yes, PST split and compact are included in the Technician-level workflow and the Toolkit bundle.
Helps reduce oversized PST files after conversion.
Useful for better Outlook mailbox handling after export.
Not listed as a Corporate feature in the edition comparison.
Yes, it can extract and preview deleted mailbox items contained in the OST file.
Useful when important mail has been removed from visible folders.
Helps validate mailbox content before committing export.
Supports more controlled conversion review.
Both tools target OST conversion, but Stellar is strongly positioned around direct Microsoft 365 and Live Exchange export in Technician-level workflows.
Stellar combines OST conversion with PST management options.
Technician adds split and compact features after conversion.
Kernel is commonly considered in the same enterprise mailbox migration category.
Stellar is easier to position when export flexibility matters most.
Both products handle OST extraction and conversion, but Stellar highlights a broader administrative workflow in its higher editions.
Stellar supports Outlook item preview and deleted item extraction.
Technician adds Microsoft 365 and Live Exchange export.
Toolkit expands beyond single-purpose conversion into Outlook data management.
Useful for administrators who need more than PST creation alone.
No, it is a mailbox conversion and migration utility, not a system backup or bare-metal recovery platform.
No full machine restore engine is described.
No hardware migration or disaster recovery workflow is listed.
Its role is OST extraction, PST conversion, and mailbox export.
Best suited for Outlook data recovery and migration work.
"It converted an inaccessible OST into a usable PST without making the mailbox structure messy."
"The preview and deleted-item extraction helped confirm that the important mailbox data was still there."
"Direct export to Microsoft 365 saved a lot of manual migration time."
"The split and compact tools were useful after conversion when the PST needed better handling."
"The Toolkit edition made more sense for broader Outlook data maintenance than using multiple separate utilities."
Instant delivery - Product keys and downloads available within minutes.
Activation guarantee - If activation fails, you receive a new key.
Download included - Secure official download link always provided after purchase.
Easy installation - Clear step-by-step instructions guide you through setup.
Genuine licenses - Product keys from audited, legally compliant distribution channels.
Multilingual support - Help in seven languages via chat, email, phone.
Easy exchanges - Problematic keys replaced quickly, without unnecessary bureaucracy.
Transparent pricing - No hidden fees. Fair prices and price plans to get even better prices.
Trusted seller - Top rated on Trustpilot.
| Operating Systems |
Windows 11: Home / Pro / Education / Enterprise |
| Processor | Intel compatible x64-based processor, including Parallel, Surface, and Snapdragon |
| Memory RAM | 4 GB minimum. 8 GB recommended. |
| Hard Disk | 250 MB for installation files. |
| Display | Standard display compatible with the respective operating system. |
| Special Features | Converts inaccessible OST files to PST. Converts OST files from Exchange, IMAP, and Microsoft 365 environments. Extracts emails, attachments, contacts, calendars, tasks, and other mailbox items. Preserves original folder structure and formatting. No OST file size limitation. Previews converted mailbox data before saving. Splits large PST files at around 45 GB. Batch OST conversion, direct export to Microsoft 365, and direct export to Live Exchange are available in Technician edition. |
| Note | Requires 64-bit Windows. Also works on Parallel macOS. Free trial allows preview of converted file data only. |
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