I do not have and of the Other address fields via the Form Layout.
Hi Terry:
Regarding this, you couldnt see other fields via the Form Layout is because Other Address is a built-in field and has been added to the Form already.
Base on my understanding, in BCM the mapping of Form Controls are fixed for the Outlook Built-in Contact Form. When you use Developer to change the layout of the form, you will need to re-map the Form Controls which is supported by BCM. Thats why you got
the error.
However, if you want to use Developer to modify the layout of the form, you can just use the Developer in Outlook without BCM. I tested from my side, it works.
The other way you want to achieve this goal is using the Form Layout. By using this, you need to create a new field first then add it to the form.
Thank you. Let me know the results.