1. Go to Customization > Lists, Records, & Fields > [Custom Fields], where [Custom Fields] is the type of custom field you want to modify. This page lists all custom fields configured for that field type.
2. Click the name of the custom field that wants to modify. On this page can change the following:
- Label
- Field ID
- Field Owner
- Description
- Type
- Whether to store values for this field
- Whether to use an encrypted format
- Whether to have the field automatically shown in the list of records the field is applied to
3. After being satisfied with modifications for this field, click Save.