How to select non

1. Select your first cell by clicking your mouse button on it. The cell will now be shaded grey. If you want to select an entire row or column, click its heading (such as 'B' or '13') in the frame around the spreadsheet.
2. Hold the control key (command key on an Apple computer) and click the mouse button on another cell. Both cells will now be shaded grey. Any action, such as copy, will now apply to both cells. An unlimited number of cells can be selected as long as the control key is held down.
3. Re-click an already-selected cell with the control key pressed down to unselect it without affecting the selection of other cells. Letting go of the control key and clicking an unselected cell with select it and remove any existing selections from the clipboard.