New limits are here: https://support.google.com/drive/answer/37603?hl=en Number of cells: 400,000 total cells across all sheets - this is the one i don't like. If you log substantial amount of columns, it fills up pretty quickly Number of columns: 256 columns per sheet Number of formulas: 40,000 cells containing formulas across all sheets Number of tabs: 200 sheets per workbook GoogleFinance formulas: 1,000 GoogleFinance formulas