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To repair corrupt outlook PST files scanpst.exe utility is used, but it very often fails giving error and in a particular situation as such you need outlook pst repair software to fix and restore corrupt pst file data items.
2. About Outlook PST– when & why it needs to be repaired Outlook Stores all its data such as emails and other outlook accessible elements such as notes, tasks, contacts, calendar etc in its personal folders PST file offering centralized storage and management of data. The application is quite reliable and offers significant data storage facility but there are some reasons which may triggers errors to take place with the file. Particularly oversized PST i.e. the PST file getting large in size, virus infection, application bugs, system malfunctioning, unexpected system shutdown and like others. All these require PST repair utilities to be handled and the lost & inaccessible data elements restored.