When feed tracking is enabled for cases or work orders, the page-level action menu on those records contains only custom buttons and supported standard buttons. Quick actions appear on the Chatter tab. Check the below link for more information https://help.salesforce.com/articleView?id=actions_in_lex.htm&type=5 Sample for Case Object when Feed Tracking is Enabled: Quick Action: Page Layout: Case Quick … Continue reading Quick Actions on Cases and Work Orders not visible in Lightning Experience