"Manish" wrote in message
...

my sacnpst.exe is not working so cant rectify my pst,

What happens when you try? Exact error messages, please.

other is my outgoing mails delivered but still remain in outbox, and most
important is i upgraded
office 2007 but still problem was not resolved.

This is most often cause by your antivirus software. Uninstall your AV
program and reinstall it without the email scanning feature.
--
Brian Tillman [MVP-Outlook]