Directly exports OST data to Microsoft 365 accounts or live Exchange Servers.
Always begin with the free trial version to verify your data's recoverability. For optimal performance, ensure the tool is running on a machine with sufficient RAM and a stable storage drive. While modern alternatives exist, the core improvements introduced in the 2012 upd remain fundamental, making any version derived from this lineage a reliable choice for recovering historical Exchange data.
permanently without a recent backup.
Modern builds of the Kernel OST to PST Converter on Microsoft Marketplace maintain the core architecture originating from the early Nucleus editions while adding extensive cloud functionality:
Nucleus Data Recovery provided a free trial version that allowed users to preview entire OST file contents and save up to 25 items per folder to test the tool's effectiveness before purchasing a license. Directly exports OST data to Microsoft 365 accounts
: Compatibility with Outlook 97, 2000, 2003, 2007, 2010, and 2013.
) is a specialized data recovery and migration utility designed to convert offline storage files (OST) into personal storage table (PST) files. Version , released as a significant update in : Compatibility with Outlook 97, 2000, 2003, 2007,
Choose PST as the output format (the tool also supported saving to MSG, EML, MBOX, PDF, HTML, RTF, and other formats). Set the destination path where the converted PST file(s) should be saved. If splitting is required, specify the maximum size per PST file.
: Designed to convert "orphaned" or corrupted OST files when the original Exchange Server was no longer available. : Compatibility with Outlook 97