This course is designed to help office workers and professionals use office programs more skillfully. Rather than simply learning functions, the learning process focuses on cases frequently encountered in actual work situations, such as document creation, data management, and presentation production. Through this course, students will systematically learn everything from the basics to practical application of office programs like Word, Excel, and PowerPoint, and naturally acquire methods to apply various functions to suit their work needs. This enables them to increase the efficiency of simple repetitive tasks and significantly strengthen practical capabilities such as report writing and data analysis. In other words, this course is a practical learning process that provides productivity improvement skills that can be immediately applied in real situations, not only for learners who are new to office programs but also for office workers who already have experience using them.