Compare for a new project. Let me know which path you want to take! Microsoft Office is part of Microsoft 365
Microsoft issued "killbits" via Windows Update to disable OWC for security reasons. You may need to edit the Registry to "un-kill" the component (Search for Compatibility Flags in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility ). The Path Forward: Modern Alternatives microsoft office web components 110 library download work
These work in all browsers, are secure, and are actively maintained. Compare for a new project
Installing Microsoft Office with Web Components - EarthRef.org You may need to edit the Registry to
If you have followed every step here and the components still do not work, consider containerizing your legacy app using Docker on Windows Server LTSC with the Desktop Experience. That is often the last resort for the most stubborn OWC11 errors.
Here is the most critical part. on their modern download centers. Searching third-party DLL websites is dangerous and can lead to malware.
OWC 11.0 is a COM library. Modern Windows installations are 64-bit. If your calling application is 64-bit (e.g., a 64-bit compiled VB.NET application or a 64-bit version of MS Access), it cannot load a 32-bit OWC DLL.