Optimizing picture file size in storyline projects.

Hello ybncaozx pwrby,

You're fine directly inserting images into a Storyline 360 project. One tip to make sure that your high-resolution images retain their quality is to ensure that their resolution closely matches the size of your slide. You can check out this article for more tips on working with high-quality media files: 

• Storyline 360: Best Practices for High Quality Images and Videos 

Hope this helps!