Navigate to the Customers page and click the Export to CSV button. 

You can filter the list of customers by clicking on the following buttons at the top of the page:

⬤ Customers Actively Storing have stored tires within the last 6 months

⬤ Customer Storing for an Extended Period have had tires in storage for longer than 6 months

⬤ Customers Not Currently Storing have no sets in storage