Layout file used by MAME (Multiple Arcade Machine Emulator), a program used to play emulated arcade games; contains layout settings that describe how to arrange different objects for a game.

Layout files are used for placing artwork graphics as well as the active game window within MAME.

File created by Rhinocerous 3D, a program used for three-dimensional modeling; stores the state of a layer, which contains a grouping of 3D objects and their properties; used to save and load specific layer settings.

All objects within a layer can be modified together. For example, users can change the wireframe and color together, as well as turn on and off all objects within a layer.

Diagram layout file created by Tecplot, a scientific computation and visualization program; saves the visual layout of a plot (.PLT file) in the workspace; contains instructions for how to display the plot as well as settings that define each frame's appearance.

LAY files also include page layout information and color spectrum properties.