Embark on a comprehensive 4-hour tutorial designed to elevate your Excel 365 skills from beginner to proficient. Navigate the Excel 365 Online Portal, master the interface, and learn essential features like the Quick Access Toolbar and keyboard shortcuts. Explore workbook and worksheet management, data entry techniques, and custom lists. Dive into formula creation, understanding the 'Big 6' functions, and grasping absolute vs. relative referencing. Discover time-saving tools such as Autosum, Autofill, and Flash Fill. Learn to create and utilize named ranges, apply various formatting techniques, and work efficiently with tables. Master column and row manipulation, text alignment, and apply professional themes and styles. With hands-on exercises throughout, gain practical experience to boost your spreadsheet proficiency and streamline your workflow in Excel 365.