Deselect All
Deselect All deselects every selected object, including any that are outside the canvas.
In the toolbar, click Deselect All .
Choose Edit > Deselect All.
Press ⇧⌘A
Inserting or Pasting a Block
Box Select
Freehand Select
Point Line Select
Ellipse Select
Magic Wand
Invert Selection
Select All
Replace Selection
Add to Selection
Remove from Selection
Select a Block of Objects