1.) Tap on any contact photo to open the Cloze contact profile.
2.) Tap on Edit in the upper right of the screen.
3.) Scroll down to the Social and IM section.
From here you may edit existing information or add new contact details.
3.) Tap the Edit icon next to the piece of information you would like to remove.
4.) Tap on the type of change you would like to make to this email address.
5.) Tap the "change" button in the upper right of the screen after you are done.
6.) Then tap the "save" button to save your changes.