office excel formula

  1. W

    Lost formulas in Excel

    My wife received a Microsoft Excel file. Formulas in this file are missing. For example, if cell E45 should be the SUM of a range of cells above it (i.e. E35 to E44), I see a number in E45 without a formula. If I change anything in any cell from E35 to E44, E45 will not change. The extension...