How do I open outlook after upgrading?

[Not Computer Savvy]

I recently "upgraded" to Office XP Small Business. Now I cannot open my
Outlook or retrieve my messages. How do I open Outlook and reset it as my
default email client?

 

[Vince Averello [MVP-Outlook]]

What happens when you try to open Outlook? What mail client were you using
before the upgrade?

 

[Not Computer Savvy]

It says unable to open default email folders.

 

[Brian Tillman]

It says unable to open default email folders.

Use Control Panel's Mail applet to point to your correct data store.