Troubleshooting

MAPI Error Running CDO Code

When I try to run my CDO code to launch the address book dialog box, I receive an error about MAPI_E_NOT_FOUND. What is this error and how can I remove it?

That error typically means that CDO either isn't installed or isn't installed properly. The easiest way to resolve this error is to rerun Outlook setup and ensure that CDO is installed. You cannot download CDO or obtain it separately from other applications. If you need to install CDO on your client machine, install it with Outlook.