Cell ► Divide Cell
splits a cell at the insertion point.
- Divide Cell splits the selected cell into two or three cells, depending on the current text selection.
- An insertion point divides the cell in two. A text selection divides the cell into three cells: everything before the selection, the selection itself, and everything after the selection.
- Keyboard shortcuts: Shift+Ctrl+D (Windows); Shift+Cmd+D (Macintosh); Shift+Ctrl+D (Linux).