Keyboard Shortcuts
- Enter: Edit cell / confirm
- Cmd/Ctrl + C / V / X: Copy / Paste / Cut
- Cmd/Ctrl + Z / Shift + Cmd/Ctrl + Z: Undo / Redo
- Cmd/Ctrl + B / I / U: Bold / Italic / Underline
- Shift + Arrow: Extend selection
- Cmd/Ctrl + Click: Multi‑select ranges