The significance of user onboarding in tech products lies in facilitating a smooth transition for new users. Effective onboarding helps users understand the features and benefits of a product, enhancing their overall experience. It typically involves guided tutorials, tooltips, and user-friendly documentation that encourage engagement. Proper onboarding reduces churn rates by ensuring users grasp the value of a product quickly, leading to increased satisfaction and retention. Ultimately, a successful onboarding process is crucial for long-term user adoption and engagement.