This report provides a comprehensive overview of essential IT skills for business applications. It begins by detailing various referencing styles, with a particular focus on the Harvard style, explaining how to cite sources correctly and avoid plagiarism. The report then moves on to practical applications, demonstrating the use of Microsoft Excel for creating an annual household budget, including income, expenses, and savings analysis. Finally, the report touches upon the use of PowerPoint presentations, although the specific details are covered in a separate PPT. The report includes references to academic sources, showcasing the importance of proper citation and academic integrity. This report is a valuable resource for students seeking to understand and apply these fundamental IT skills in a business context.