Invoice supports these keyboard shortcuts.
TAB
Moves from one text box to another in a row.
Arrow keys
Moves from one line to another in the lists.
SHIFT
Selects one line in the list and a second line with shift down. All lines between the selections are also selected.
CTRL
Press CTRL to select any number of rows one by one. Clicking the same line for second time deselected the line.
CTRL X
Cut the selected item and place it on the clipboard.
CTRL C
Copy the selected item and place it on the clipboard.
CTRL V
Paste the clipboard contents to the select location.