Yes, universal camera software can be used with both built-in and external cameras. Universal camera software is designed to be compatible with a wide range of camera types and models, allowing users to easily connect and use any camera that is supported by the software. This means that whether you are using a built-in camera on your device or an external camera connected via USB or other means, you can still utilize the universal camera software for capturing, recording, and editing images and videos. This flexibility makes universal camera software a convenient and versatile option for users who work with multiple camera devices.