Kernel OST to PST Converter (formerly marketed simply as Convert OST) is a specialized utility developed by Kernel Data Recovery to salvage mailbox data from corrupted, damaged, or orphaned Outlook Offline Storage (.ost) files. When Microsoft Outlook’s built-in repair tools (like ScanPST.exe) fail to repair severe data corruption, this third-party utility bypasses standard Outlook configurations to extract data directly. Core Capabilities
Deep Corruption Repair: It employs advanced scanning algorithms to extract unreadable database elements from heavily broken or oversized OST files.
Recovery of Orphaned Files: The software successfully reads “orphaned” files, which occur when an Exchange, Office 365, or IMAP account is permanently deleted or disabled.
No Outlook Required: The application functions as a completely standalone executable, meaning you do not need Microsoft Outlook installed on the system to run a conversion.
Granular Object Extraction: It recovers entire mailbox components, fully preserving attachments, calendars, contacts, tasks, notes, journals, and original folder structures.
Restoration of Deleted Data: The tool scans the internal file blocks to find and display permanently deleted emails or folders, highlighting them during preview. Flexible Saving & Migration Formats
While its primary purpose is outputting a healthy Outlook Personal Storage Table (.pst) file, the software also serves as a multi-format exporter:
Standard File Types: Converts data to PST, MSG, EML, MBOX, PDF, HTML, and RTF.
Cloud & Server Migration: Allows direct exports to cloud email systems like Office 365, Live Exchange Server, Google Workspace, and webmail clients like Gmail or Yahoo Mail. Notable Features & Usability
Smart Filtering & Splitting: To combat file-size limits that cause Outlook performance lags, the utility allows you to automatically split a massive output PST file into smaller chunks (e.g., at 2GB or 5GB thresholds). You can also filter exports by custom date ranges or skip empty folders.
Rich Metadata Previews: Before initiating any extraction, the software displays a localized visual map of your data, allowing you to click individual emails to preview text body content, attachments, or structural properties.
Wide Version Compatibility: It offers broad support across every legacy and modern iteration of Microsoft Outlook, Exchange Server, and Windows OS environments. Licensing Limitations
You can download and evaluate the program for free using the evaluation trial offered on the Kernel Data Recovery Official Website. However, the trial version enforces a strict restriction of saving only 25 items per folder. Moving large databases without limits requires purchasing a full software license.
If you are dealing with a faulty mailbox, feel free to tell me what specific error message Outlook is throwing or your approximate file size so I can recommend the exact troubleshooting settings to use. Kernel OST to PST Converter – Microsoft Marketplace
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