How to enable truncate custom object feature in Salesforce ?

Hi Prachi,

You can truncate the custom object as following

• Go to the object management settings for custom objects.
• Click an object name to go to the object’s detail page, and then click Truncate.
• In the Confirm Custom Object Truncate window, review the warning and then enter the name of the object to truncate in the empty field.
• Click Truncate.