How to Split a Merged Cell

1. Right click on the merged cell. Click 'Format Cells.'
2. Click on the 'Alignment' tab.
3. Uncheck the 'Merge Cells' check box by clicking on it.
4. Click 'OK'. The merged cells are now split.
5. Click on the icon for merged cells on the menu bar if available to enable or disable merged cells when needing a quick shortcut.