The Objectives of this research were 1) to analyze the competency of Microsoft Power BI program for employees, 2) to find the efficiency of Computer-based Training, 3) to compare the students’ achievement with the Computer-based Training pre-test and post-test, 4) to assess the performance of employees according to the practical skills, and 5) to study the satisfaction of learners to the Computer-based Training.

       The findings indicate that the analysis of the core competencies of the employees consist of 1) Installation and basic Microsoft Power BI applications, 2) Data connection to the database of Microsoft Power BI Desktop, 3) Dashboard creation using Visualization of Microsoft Power BI, and 4) Dashboard publishing to the website the efficiency of Computer-based Training that developed is 85.55/81.33, There was significantly higher learning achievement of student in the post-test than in the pre-test at the statistical level of .05, the achievement of the practical skills post-test with the Computer-based Training that developed is at a high level and the satisfaction of student learning with the developed lessons was at high level.