• Cleaning, formatting and standardising data
• Removing duplicates and inconsistencies
• Organising columns, rows and worksheets
• VLOOKUP, XLOOKUP, MATCH and INDEX/MATCH
• PivotTables and data summaries
• Formulas and calculations
• Combining or reconciling data across worksheets
• Improving spreadsheet readability and structure
• Creating a professional, easy-to-use layout