Stack file created by LiveCode, a multi-platform application builder; contains a Stack which holds one or more Cards; a Card controls the appearance of the application, which includes a variety of buttons, menus, boxes, scrollbars, tables, and more.

To create a LIVECODE file, select File → New Mainstack, a window, or Card, should appear, make your edits, select File → Save or Save As... or Share This Stack..., name your file, choose the save location, and click Save. To open a LIVECODE file, simply click the file, or select File → Open Stack... or Open Recent File, navigate to your LIVECODE file, select it, and click Open.