If you are looking for a "dll download" for this library, it is important to understand that Microsoft does not provide it as a standalone file. Instead, it is part of the , 2019 , or Microsoft 365 installation. Where to Find the Library on Your Computer
To use Outlook 16.0 objects in a project (like an Excel macro), you must enable the reference: microsoft outlook 16.0 object library dll download
If it is missing from the list, click and navigate to the MSOUTL.OLB file at the paths mentioned above. Troubleshooting "Missing" References If you are looking for a "dll download"