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Error while trying to register ActiveX control in Excel 365
Hello, I would like to use a custom ActiveX control (used for communicating with serial devices) within Excel 365. When I attempt to add the control, it does not show in the ActiveX list, even th...
- You'll have to install the 32 bit version of Office. Nowadays, Office defaults to 64 bit.
You'll have to install the 32 bit version of Office. Nowadays, Office defaults to 64 bit.
- Thank you for your response. That was the one thing I had not tried. After installing the 32-bit version on Windows 11, I was able to use my activex control without issue. I am interested in knowing, however, why wouldn't a 64 bit build of the control (registered and signed) work in the 64-bit version of Office? Is there a limitation of COM objects to only work in 32-bit?
- If there really is a dedicated 64 bit version of the control, then it *should* work. But you must contact the owner of the control for that.
