You install it from the Office/outlook cd's or from any recovery disks
supplied with your PC.
Since you cannot downgrade Vista to WinXP your installation of winxp would
have cleared all data and files during the process,

"Steve" wrote in message
...
My Outlook got accidently deleted from my computer. It was installed from
the factory but I've gone from XP to Vista and back to XP. I can't find
it
in the Recycle Bin or on my disks. How do I get this back?