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Ha Dang, 33, is heading to Las Vegas to represent Britain in the World Spreadsheet Championships. The accountant from Scunthorpe, Lincolnshire, UK taught himself Excel using YouTube and recently won ...

Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...