Selection

ShortcutWindowsMac
Select entire row Shift Space Space
Select entire column Ctrl Space Space
Select entire worksheet Ctrl A A
Add adjacent cells to selection Shift Click Click
Add non-adjacent cells to selection Ctrl Click Click
Same selection in next column Tab
Same selection in previous column Tab
Move right between non-adjacent selections Ctrl Alt
Move left between non-adjacent selections Ctrl Alt
Toggle add to selection mode Shift F8 Fn F8
Cancel selection Esc Esc