If PST file got corrupted or deleted then we are unable to access the mails and other things in outlook, then pst recover software is needed. I will suggest you to use Kernel for pst recovery tool for the recovery of pst file.
For fixing your corrupt file you can use either free tool that is Microsoft's Scanpst.exe or a paid software with demo version known as stellar outlook pst repair . Hope this will help.
When the outlook pst file corrupted . You scan and repair pst file with Scanpst.exc. Location Of Scanpst Tool
1. If you Have Installed Win 32-bit A) Go to C:\Program Files\Microsoft Office\Office12\SCANPST.EXE
2. If you Have Installed Win 64-bit A) Go to the location below and run the SCANPST.EXE file. C:\Program Files (x86)\Microsoft Office\Office12\SCANPST.EXE
3. Type your current pst file folder 4. Then press start button for start scan corrupted file 5. if your pst file can recover, that will show in the message and press repair to fix it. Various outlook corruption situations and their solution http://pstrepairtool.blogspot.com
Outlook PST Repair software that quickly recover e-mails, attachments, encrypted messages and contacts from inaccessible PST files. It quickly dissolves the PST file corruption problems that are not solved by the free usability of Outlook program. PST file repair supports various versions of MS Outlook such as Outlook 2000, 97, 98, 2002, 2003, 2010 and 2007. It also supports various versions of MS Exchange and Outlook Express. For more information about this software, you can visit http://www.outlookpstrepairtools.n.nu