Video Tutorial:

If you need to share your project with someone else, or you want a backup you can save your project to a file. All content, materials, camera presets, Photos, Clips etc in your Scene are collected and stored in this file

Made in version: Lumion 7.0 Pro.

See also:

Knowledge Base:  How do you load a Lumion scene on a different PC?

Knowledge Base:  Does Lumion save back-ups of scenes and model files?