Forcing Stubborn Recalculation

Kirk wrote that he was having a problem with the recalculation of his worksheet. He mentions that the worksheet is complicated, and that pressing F9 does not get the spreadsheet to "recalculate correctly."

The first thing to try is to press Alt+F9 instead of just F9. When you press F9, Excel basically recalculates just the cells that have changed since the last time there was a recalculation. The Alt+F9 shortcut forces a recalculation of all cells in the worksheet.

If that doesn't do the trick, then you may have a problem that is sometimes evident with complex worksheets: The order of the calculations done by Excel. When you calculate a worksheet, Excel basically calculates the cells from left to right and top to bottom. If you have a very large worksheet, with lots of dependent calculations, and the calculations on which everything else is dependent are at the bottom or right side of the worksheet, then you may get incorrect results. (Remember, this happens only with the most complex of worksheets.) The answer is to reorganize your worksheets so that the primary calculations are placed near the top of the worksheet and as far left as possible, and the calculations that are based on those primary calculations are placed later in the worksheet.

If you still have problems with the worksheet, try saving it as an HTML file and then reloading it into Excel. This may sound odd, but the process may help clear out any corruption that may exist in the internal pointers used by Excel.