From Repair Kit:
Created for audiences comprised of novices and professionals in equal proportions, the program features a minimalistic interface with just a few controls used for file selection and navigation in the built-in step-by-step wizard. The core of Outlook Repair Kit leverages the power of several advanced algorithms to deliver excellent results even when the source file is damaged very seriously.
The efficiency of Microsoft Outlook .pst repair tool does not depend on the reason of file corruption, which can vary from a hard drive failure to an unexpected system power-off or a virus attack.
The current version of the program offers the following features:
Ultra-fast data recovery from *.PST files in the ANSII format of Microsoft Outlook versions 97, 98, 2000, 2002 and XP. Ultra-fast data recovery from *.PST files in the Unicode format of Microsoft Outlook versions 2003, 2007 and 2010. Output to a new PST file or a set of files of corresponding formats on the user's HDD Possibility to specify the destination format for objects extracted in the Converter mode. Possibility to split the resulting PST file into a set of PST files of a particular size Possibility to select folders and objects to be recovered Automatic built-in search for OST and PST files on the user's hard drive Support of password-protected source files (manual entry required) Support of source OST/PST files over 2 GB in size. Clean and fast conversion of OST to PST files Recovery of email messages in a variety of popular formats: plain text (TXT), RTF and HTML. Recovery of attachments along with emails associated with them Recovery of MS Outlook notes Recovery of MS Outlook calendar objects (tasks and reminders) Recovery of MS Outlook contacts Full recreation of the original folder structure Full support of all major Windows versions, including Windows 98, NT 4.0, 2000, Me, XP, Vista, 7, 8/8.1 and Windows 10.