How to find and run the Inbox Repair tool in Outlook:
How to use the Inbox Repair Tools to recover e-mail messages in Outlook 2002, Outlook 2003 and Outlook 2007:
I have made a small AutoIt script which checks in the registry where to find the OLK temporary folder and then opens it. You can download the script here (zipped EXE file; AutoIt source code is not included).
More info about the Outlook Temporary folder, with a clear explanation can be found on groovypost.com.