Where is "scanpst.exe" location in Windows

Here is the location:

The Scanpst.exe file is typically located in one of the following folders:
<disk drive>:\Program Files\Common Files\System\Mapi\1033\
<disk drive>:\Program Files\Common Files\System\MSMAPI\1033

For Microsoft Windows NT and Microsoft Windows 2000:
C:\Program Files\Common Files\System\Mapi\1033\NT

For Microsoft Windows 95 and Microsoft Windows 98:
C:\Program Files\Common Files\System\Mapi\1033\95

The Scanpst.exe file for Outlook 2007 is is typically located in the following folder:
<disk drive>:\Program Files\Microsoft Office\Office12
<disk drive>:\Program Files(x86)\Microsoft Office\Office12

The Scanpst.exe file for Outlook 2010 is typically located in the following folder:
<disk drive>\Program Files\Microsoft Office\Office14
<disk drive>\Program Files\Microsoft Office(x86)\Office14


URL Detail : http://support.microsoft.com/kb/272227

How to repair PST files in bulk? Automate it!
http://www.rethinkit.com/blog/tech-tip-outlook-how-to-bulk-fix-pst-files-scanpstall/