Component.ts: import { NgbTabset } from '@ng-bootstrap/ng-bootstrap' ; @ ViewChild ( 'tabs' ) private tabs : NgbTabset ; ngAfterViewInit () { this . tabs . select ( 'tab2' ); //tab-id } Component.html: < ngb-tabset #tabs > < ngb-tab title = "tab1" id = "tab1" > </ ngb-tab > < ngb-tab title = "tab2" id = "tab2" > </ ngb-tab > </ ngb-tabset >