Click on Pieces, Locations, Contacts or Shows in the left-hand menu and click the Reports button to open a drop-down menu. From the menu, click Export This Listing to XLS or Export This Listing to CSV at the bottom. Under download, click the blue download symbol to add the file to your computer. 

You can access your downloaded reports at any time by going to your Reports tab in the left-hand menu. All downloaded reports will show up here.

Note: If you do not see the report you just exported in the list, click the refresh button next to reports and the report should be added.