You’ll find these pages under the Alerts & Schedules section of Looker’s Admin menu. Choose one for more information:

• Alerts
  View, filter by, edit, and delete dashboard tile alerts. Navigate to the dashboard containing the tile with the alert.
• Alert History
  View running, complete, and failed alerts.
• Schedules
  View, reassign, and delete data delivery schedules.
• Schedule History
  View history of and troubleshoot scheduled data deliveries.
• Scheduled Emails
  Manage email delivery settings to include only links back to Looker content, only Looker data, or both links and data. Monitor content being sent from Looker to email addresses with domains external to Looker.