: Competitions or school assignments often require you to attach the .sb3 file as part of a formal submission process.
: Platforms like LearningML allow you to save Scratch models within the .sb3 file for future AI-driven sessions. Managing a "Featured Project" Scratch Project.sb3
If by "feature" you meant highlighting a project on your profile, you can do this directly on the Scratch Website: Navigate to your page. Hover over the large project box in the center. : Competitions or school assignments often require you
: Click on the File menu in the top navigation bar. Scratch Project.sb3