Today, with the rapid development of the era of Industry 4.0, job requirements have become more stringent for workers. Alongside professional expertise, individuals are required to possess additional essential soft skills, including presentation skills. This is one of the skills that meet the demands of better job performance. Presentation skills are not only crucial for speakers, teachers, or university lecturers but also necessary for everyone. When crafting presentations with criteria for time efficiency and flexibility in formatting, PowerPoint supports a feature that enables easy creation and adjustment of the overall layout and design for all slides. This tool is known as Slide Master. Master Slides help us accomplish various tasks related to formatting, applying effects, inserting backgrounds, universally across the presentation swiftly and effectively.