human
How do I fill blank cells in Excel?
assistant
Fill Blank Cells in Excel
1. Open your project in Excel.
2. Select a range of cells that includes the blank cells you want to fill.
3. Click Home and Find & Select.
4. Click Go To Special and click to select Blanks then OK.
5. Navigate to your first blank cell without changing the selection.
6. Enter "=F7".  
7. Press Ctrl + Enter (Windows) or Cmd + Enter (Mac) on your keyboard.