Supported display modes by field type

The following table lists the display modes that are supported by each field type. You select a display mode when you add a single-value field to a form. By default, all fields have a display mode set to Optional.

Note: Complex field types, such as field groups and field group lists, are not listed in the table because they do not have an overall display mode.
Field type Optional Required Read-only Calculated (read-only)
Text (single line) Yes Yes Yes Yes
Text (paragraph) Yes Yes Yes Yes
Boolean Yes No Yes Yes
Currency Yes Yes Yes Yes
Date & time Yes Yes Yes Yes
Date only Yes Yes Yes Yes
Decimal Yes Yes Yes Yes
Email Yes Yes Yes No
Integer Yes Yes Yes Yes
Phone Yes Yes Yes No
Picklist Yes Yes Yes No
Time only Yes Yes Yes Yes
URL Yes Yes Yes Yes
Attachment Yes Yes Yes No
Location Yes Yes Yes No
User reference Yes Yes Yes No
Data reference Yes Yes Yes No