Sometimes the file is present but not correctly registered in the Windows Registry. Open Command Prompt as Administrator.
To avoid issues with missing libraries in the future, you can use in your VBA code. This method does not require setting a reference to the Object Library. Early Binding (Requires Reference):
If it’s missing from the list:
The core file behind this library is , not a standard .dll file. Type libraries ( .olb ) serve the same purpose for Component Object Model (COM) automation by defining the structure of Outlook's objects, methods, and properties. Why You Should Avoid Third-Party DLL Download Sites microsoft outlook 16.0 object library dll download
Microsoft Office was not installed completely, or the shared components were corrupted.
Click to save the changes and start writing your automation code. Enabling in Visual Studio (C# / VB.NET) Open your project in Visual Studio.
A recent Microsoft Office update may have failed or changed the location of the file. Sometimes the file is present but not correctly
You must have Microsoft Outlook installed on your development machine.
Your application will only work on machines that already have Outlook installed. If you need to send emails without Outlook, use SMTP libraries (e.g., System.Net.Mail in .NET) instead.
[ Reference Manager – Outlook 16.0 ] ------------------------------------- Status: ⚠ Outlook 16.0 not found on this machine This method does not require setting a reference
If you are receiving an error that the library is missing, it is likely already on your machine but not properly referenced. The typical installation path for this file is: C:\Program Files\Microsoft Office\root\Office16\MSOUTL.OLB
You don’t “download” it. You ensure it is by installing Microsoft Office (with Outlook included).
[Install] [Cancel]
If you don't have Office, consider:
C:\Program Files\Microsoft Office\Root\Office16\MSOUTL.OLB