E-commerce skills represent an inevitable requirement of the labor market that should be provided to commercial technical secondary education graduates. Such skills have created many job opportunities, reduced unemployment rates, doubled productivity rates, and played a vital role for its users in development field. micro-learning plays an crucial role in teaching and learning, as it has turned from prolonged learning to micro-learning, in which learning content is presented in small units as needed, and applying what is learned in small focused steps i.e., focused learning (3-5 minutes) per unit focusing on a single specific performance goal and followed by one or two short activities. Study tools included e-commerce skills list, skills test, and descriptive grading guide to measure students' acquisition of e-commerce skills. A single group quasi-experimental design was adopted with a pre post administration of the study tools. The study sample included (28) first grade commercial secondary school students. The results indicated the effectiveness of micro-learning in developing e-commerce skills.