JupyterLab
Extend the selection to the cell below
In JupyterLab, Shift + Down arrow will extend the selection to the cell below. The keys are the same on a Mac. It works in the browser version.
Where it works: Notebook, command mode
Shift and J also extends the selection downward.
Every documented variant
| System | Environment | Keys |
|---|---|---|
| Mac | Web app | ShiftDown arrow |
| Windows | Web app | ShiftDown arrow |
Where this comes from
JupyterLab shortcut schemas - jupyterlab/jupyterlab
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.