XSI files are used with Autodesk Softimage, an application filmmakers, video game designers, and advertising firms use to create 3D content. Although the use of Softimage has declined and Autodesk plans to deprecate Softimage in 2016, you may need an XSI file if you still use Softimage in your workflows.

To export an XSI file from SketchUp Pro, follow these steps for your current operating system: