1. If you want to change the data you entered into a cell, double click on the cell you want to edit; or select the cell and press the F2 key on your computer keyboard.
Excel will open up the cell for you to edit
2. Make the changes you need to make and press the ‘Enter’ key on your keyboard.
You can also use the formula bar to make changes to the data in the cell you selected.
Lesson 9: How to delete data in a Cell