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.
Procedure
- Open the System task and click the General settings view.
- Go to the Custom fields page and click the Custom data types tab.
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Select the data type, click Edit the item (
), and follow the wizard.