You can customize the fields that are shown when exporting codes from Ad-ID by clicking on your email address at the top right of the screen and selecting Profile.  

Click on the Code Fields Export Preferences section. The fields selected will be used when exporting from all code tables throughout the Ad-ID system. You can export to CSV, Excel or XML. The export customizations only apply when choosing the Slate option.

The print or email features will use separate selections that are made in the Code Fields Display Preferences.  

The Code and Created Date fields are required and cannot be unselected. You can select as many fields as needed. You cannot customize the order. The export will display the fields in the order shown on the screen.

Click Default if you need to restore to the default fields. Click Clear to clear all selections. Click Save to save all preferences and profile information.