Select the style that you want to delete or rename. Click Delete to delete the style, or click in the Style name edit box and enter a new style name to rename the style. In Microsoft Excel, it is possible to hide entire rows and columns of cells within a worksheet. On the Format menu, point to Row , and click Unhide . On the Format menu, point to Column , and click Unhide .
All cells are now visible.
Note that a cell may still have its height or width set to a very small value, making the cell hard to see. On the Format menu, point to Row , and click AutoFit . On the Format menu, point to Column , and click AutoFit Selection . This forces all cells to resize so as to display their contents. To change the font properties of selected cells, click Cells on the Format menu and select the Font tab.