.LS File

The ls file extension is associated with Lightscape, a radiosity engine, now incorporated into 3D Studio Max (3ds Max), a 3D rendering tool for Microsoft Windows operating system developed by Autodesk, Inc.

The ls file stores some kind of data used by Lightscape.

How to open:

Use 3ds Max to work with *.ls files.

How to convert:

3ds Max is may be able to export *.ls files to other formats.