To be available for mass update, a custom field must meet the following criteria:
- It must support inline editing.
- It must be displayed on the preferred form for the record type being updated.
- It must be stored.
- It must not have a sourcing relationship.
- It must not be encrypted.
- It must not be an Email custom field.
- If it is an Item custom field, the field script ID must not end with ‘description’.