How to Prevent of using CC field

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Hi all,

In our company have a crazy rules that do not allowed CC to anyone. The recipients must be filled at To field only.

Is that any way to prevent of selecting or choosing CC in Outlook? Or do you have any VBA code that automatic alert if the user select CC field?

Thank you,

Best regards,


Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
The best method is VBA to cancel sending (or just warn.)

You could remove the CC field, but its not fool-proof as users can hit the To button to open the address book and add people to the CC field - because the field is removed from the message form, you can't see it.

There should be some VBA samples around the net - but i couldn't find any in a quick search. Try or I'll look for some tomorrow.
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