How to deactive and delete admin user

Hi I have changed my email but still I see previous mail and in addition I can not to edit/manage it...
Could you help me?
Regards

Hi I have changed my email but still I see previous mail and in addition I can not to edit/manage it...
Could you help me?
Regards
Hope you're doing well.
You can edit any user's details including Admins with your System Admin credentials in the Admin Console. Note that the following details can be updated:
You can modify the following details for a user:
Have a look at Edit user details to learn more about how to edit/remove users individually from the Admin Console.
Hope this helps.
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