Microsoft Office Web Components (version 11.0, often referred to as "OWC11" or "110") was discontinued around 2007. It is:
Troubleshooting: How to Make Microsoft Office Web Components (OWC) 11.0 Library Work microsoft office web components 110 library download work
If you are accessing OWC via a browser, it will only work in Microsoft Edge's IE Mode . Modern browsers like Chrome or standard Edge do not support ActiveX controls. Microsoft Office Web Components (version 11
To download the Microsoft Office Web Components 2010 library, follow these steps: Microsoft Office Web Components (version 11.0
Microsoft Office Web Components 11.0 was a set of ActiveX controls introduced with Microsoft Office 2003. They allowed developers to embed interactive spreadsheets, charts, and pivot tables into web pages and custom applications (like Access Forms).