Why do I not have the ability to change my email through Client Portal?

CHANGE EMAIL

If you are unable to update your email through Client Portal as described in the Users' Guide, please try the following:

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Why am I unable to trade in my newly opened account?
Why is my financial institution not in the list of available institutions for security transfers?
I did not receive a confirmation number by email for verifying my identity.
What should I do if I am not receiving confirmation notifications or emails from Interactive Brokers?