You can delete a retention class only if the namespace in which the class is defined is in enterprise mode. You cannot delete a retention class in a namespace that’s in compliance mode.
When you delete a retention class, the retention setting of each object in the class changes to Deletion Prohibited.
To delete a retention class, in the Retention Classes panel:
1.In the list of retention classes, click on the delete control ( ) for the retention class you want to delete.
2.In response to the confirming message, click on the Delete Retention Class button.
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