SysTools OST Recovery is a tool to recover corrupted or orphaned OST files and save them into different file formats.
Best Cigati OST Recovery Alternatives ranked by AI · updated Aug 2026
Cigati OST Recovery extracts mailbox data from corrupt, inaccessible, and orphaned Exchange OST files for Outlook users and support professionals. It converts recovered content to PST and supports additional mailbox export workflows.
Top 6 Cigati OST Recovery alternatives
SysVita Exchange OST Recovery is a Windows utility for recovering mail data from corrupted or inaccessible Microsoft Exchange OST files. It exports...
Pros
- Recovers mail, contacts, calendars, and other common OST items
- Exports recovered data to PST and other usable formats
- Supports OST files that cannot be opened normally in Outlook
Cons
- Less widely documented than Stellar or SysTools
- Primarily targets Windows and Outlook recovery workflows
- Advanced Exchange migration features are limited compared with enterprise tools
Stellar Converter for OST is a popular tool for converting inaccessible OST files to PST format.
Pros
- Simple and user-friendly interface
- Supports batch conversion
Cons
- Limited format support
- No option for selective conversion
DataNumen Exchange Recovery is a tool to repair and recover corrupted Exchange OST files with high success rates.
Pros
- High success rate in recovering OST files
- Advanced recovery algorithms
Cons
- Higher price compared to other tools
5
Recovery Toolbox for Outlook
Recovery Toolbox
Recovery Toolbox for Outlook repairs corrupted Outlook data files and recovers mailbox contents from PST and OST files. It is designed for...
Pros
- Focused, lightweight tool for common Outlook corruption cases
- Supports recovery from both PST and OST files
- Preview helps verify results before purchase
Cons
- Fewer advanced export and automation features than SysTools or Kernel
- Trial restrictions can make large recoveries difficult to evaluate
- Less suitable for batch or enterprise mailbox migration
Free trial; paid version from $49
6
Kernel for OST to PST
Kernel Data Recovery
Kernel for OST to PST converts inaccessible Outlook OST files into PST files while preserving mailbox folders and message properties. It serves...
Pros
- Supports recovery from orphaned, inaccessible, and corrupted OST files
- Preserves folder hierarchy and common Outlook mailbox attributes
- Offers selective saving and multiple output formats
Cons
- The full version is relatively costly for occasional personal use
- Windows-only and dependent on local machine resources
- Some advanced options are separated across product editions
Free trial; paid version from $49
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