You can modify custom data types (rename, add or delete values, and so on) before or
after the custom data type is being used in a custom field.
What you should know
The following limitations apply when modifying custom data types:
- You cannot delete a value if it is being used as the default value for a custom
field.
- You cannot change the standard data type on which the custom data type is based.
To modify a custom data type:
-
Open the System task, and click the General
settings view.
-
Click the Custom fields page, and click the Custom
data types tab.
-
Select the data type, click Edit the item (), and follow the wizard.