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Regain OST Converter is a Windows utility for converting Outlook OST files into accessible formats such as PST. It targets users recovering data from inaccessible, orphaned, or damaged OST files and supports exporting mailbox items while preserving folder structure.
💡 Pick it for stronger previews, selective recovery, and broader enterprise export options.
Stellar Converter for OST is a popular tool for converting inaccessible OST files to PST format.
Kernel Data Recovery
💡 Choose it when you need technician-focused recovery and direct Exchange or Microsoft 365 export.
Kernel for OST to PST converts inaccessible Outlook OST files into PST files while preserving mailbox folders and message properties. It serves...
Free trial; paid version from $49
💡 Pick it for broad export formats and mailbox migration features at a similar price point.
SysTools OST Recovery is a tool to recover corrupted or orphaned OST files and save them into different file formats.
Cigati Solutions
💡 Choose it if you need more output formats, including MBOX, rather than only PST recovery.
Cigati OST Converter extracts mailbox data from orphaned or inaccessible OST files and saves it to PST and other formats. It is...
💡 Pick it for a lower-cost specialist converter with useful filtering and selective export.
Aryson OST to PST Converter is a tool to convert OST files to PST format with ease.
RecoveryTools
💡 Choose it when converting OST data to non-Outlook formats such as MBOX is more important than brand maturity.
RecoveryTools OST Converter extracts Outlook mailbox data from inaccessible OST files and converts it to PST, EML, MSG, MBOX, and other formats....
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