If you want to export your orders to a spreadsheet, you can do so at any time by following these steps:
Access the Analytics app by clicking the Analytics icon in the left navigation menu on your site's Dashboard.
Select the desired date range from the Data from the _____ dropdown menu.
Press Export orders in the top right (upward-facing arrow icon).
In your operating system's manager window, choose the location on your local device where you want to save the CSV file and click Save.
The data is now yours to access in that location whenever you like.
For more information on orders, see "The Orders Feature".