Modifying a field

Select the appropriate entity from the list.

Select a field from the list in the Fields tab in the lower pane and click Edit.

Select required check boxes:

Included: Indicates whether the property must be included in the code generated output. If this check box is cleared, the property is completely removed from the entity and cannot be used anywhere such as code snippets, quick form data binding, and is excluded from the SData feed from the dynamic adapter.
Is Custom: Indicates whether the field is customized.
Can Bulk Update: Indicates whether the field can be updated as part of a bulk action.
Match: Indicates whether the field is match criteria for an import.
Audited: Indicates whether changes are being tracked for the field.
Generate: Determines whether to generate an SData property for the property of this entity.
Import: Indicates whether the field can be imported.
Expose to Workflow: Indicates whether the field is available for CRM Workflows. If selected, the field can be automatically included in the related CRM Workflow Definition Property tab and CRM Workflow Step based email templates and recipients if the field is associated with a contact, lead, account, or user (including owner).

Update the required changes.

For detailed information about each field type, see Data Types for a field

Click OK.