To add an Excel file to your Stacks3 page with Grid Iron 3, first add the Grid Iron 3 stack to your page and simply drag and drop your Excel file into your Resources in the left panel of RapidWeaver.

In Grid Iron 3s settings, choose Excel from the Type settings, then click on Set Link and locate your file under Resources.

Please remember that you will NOT be able to see your specific table until the site is published and online. The Preview will only represent the test table for formatting options.