PstPassword is a small utility that recover lost password of Outlook .PST (Personal Folders) file.
PstPassword can recover the PST passwords of Outlook 97, Outlook 2000, Outlook XP, and Outlook 2003. You don’t have to install MS-Outlook in order to use this utility. You only need the original PST file that you locked with a password.
PstPassword doesn’t require any installation process or additional dll files. In order to start using it, just run the executable file, PstPassword.exe
This utility is released as freeware.
Download: PstPassword 1.12