Correct a value in a cell

To correct a value in a cell, do one of the following

To delete the old value and enter a new one, click the cell, type the correct value, and press Enter.

To change a portion of the cell contents, double-click the cell, then use the arrow, Backspace, and Del  to make the changes.

If you have just typed a new value in a cell, and have not yet pressed Enter, press Esc to restore the previous value of the cell.

If you have cut, pasted, or typed the data into a cell during the current work session, you can sequentially undo your actions.

Click on Undo undo located on the Quick Access Toolbar.