Layout mode keyboard shortcuts (Mac OS)
In Layout mode, you can use keyboard shortcuts to arrange and align objects, format fields, control layout tools, and create layouts.
Layout creation and navigation
 
Esc (to activate the book icon), type the layout number, then press Enter
Object selection and modification keyboard shortcuts
 
Note  You can also drag the arrow pointer to make a selection box that completely surrounds the objects. (If you press while dragging, the selection box does not have to completely surround the objects.)
Resize a selected object when the Info palette is open (click Info Info palette button in the formatting bar)
Control-Option-Tab to move to the Info palette. Then Tab to the desired sizing action and enter the size value you want. Press Enter on the numeric keypad to return to the Layout window.
Object alignment keyboard shortcuts
 
Force objects to align to the grid when creating a new layout
Object arrangement keyboard shortcuts
 
Change part labels from horizontal to vertical or vertical to horizontal
Field format keyboard shortcuts
 
Layout tools keyboard shortcuts
 
Enter or Shift-Enter (numeric keypad)
Fn-Enter or Fn-Shift-Enter (for computers with no numeric keypad)