What’s the Difference Between Standard and Custom Objects?

Standard objects, such as accounts, cases, contacts, and opportunities, are included with Salesforce by default. Custom objects are based on standard objects, extend standard functionality, and store information that is unique to an org.

Required Editions

Available in: Salesforce Classic and Lightning Experience
Available in: Contact Manager, Group, Professional, Enterprise, Performance, Unlimited, and Developer Editions
User Permissions Needed
To view a custom object tab: Read on the custom object
To view custom object records: Read on the custom object

Your admin defines custom objects and their properties, such as custom fields, relationships to other types of data, page layouts, and a custom tab. If an admin created a tab for a custom object, click the custom object’s tab to view the records.