Embedding video file into Storyline 360

Hello Mylien, 

Thanks for reaching out! 

You'll want to make sure that the slide size of your project closely matches the resolution of the video that you're trying to add. Check out this article for more tips on how to maintain the quality of media files in Storyline 360: 

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

Let me know if you have any questions!