1. From Setup, enter Feed Tracking in the QuickFind box, then select Feed Tracking.
2. Select an object.
3. Select Enable Feed Tracking.You must have the required user permissions to see this checkbox.
4. Select up to 20 fields to track. You can’t select fields for external objects or article types. These standard fieldtypes can't be tracked:Auto-number, formula, and roll-up summary fieldsEncrypted and read-only system fieldsThe Expected Revenue field on opportunitiesThe Solution Title and Solution Details fields on solutions; these fields display only for translated solutions in organizations with multilingual solutions enabled
5. Auto-number, formula, and roll-up summary fields
6. Encrypted and read-only system fields
7. The Expected Revenue field on opportunities
8. The Solution Title and Solution Details fields on solutions; these fields display only for translated solutions in organizations with multilingual solutions enabled
9. If you have actions in the publisher enabled, you see the All RelatedObjects option. To show feed items when related objects are created, select this checkbox.
10. Save your changes.