Why is drill-in not working on my report/dashboard after I've enabled it on the report?

Question

Why is the Drill-in feature not showing on my reports/dashboard after I've enabled it inside my report(s)?

Answer

The Drill-in option on the dashboard itself is not yet enabled! 

To enable drill-in on a dashboard

1. Open your dashboard for editing.
2. Click Tab options > Interaction options ().
3. Select Enable drill in.

For full details on the drill-in feature, please see this Zendesk Guide here: Using drill-in to refine your reports