Email maintains different data retention periods based on data type:

1. UI and API Metrics:

• Rolling 10-day window for detailed metrics in the UI

• Summary metrics available for longer periods

• Historical data accessible through scheduled reports

• Retention periods may vary by account type

2. Best Practices:

• Set up scheduled reports for long-term data needs

• Export important data regularly

• Use the events API to collect real-time data for your own storage