BUSY simplifies GST filing by offering various features such as generating GST returns, updating business details, reconciling data, and facilitating direct GSTR-1 filing through the government portal. Additionally, the software provides multiple file formats like JSON, CSV, Government template, and Excel for easy data handling. It's recommended to follow the software's step-by-step instructions for efficient filing and reach out to BUSY's customer support for any needed assistance. This ensures a smoother and more accurate GST filing process.