Deselect All
Select Stitches
Box Select
Point Select
Freehand Select
Select All Visible
Modifying Stitches and Blocks
Deselect All will deselect every selected stitch and block, including any that are outside the chosen hoop.
In the Modify window , click Deselect All .
Choose Edit > Deselect All.
Press ⇧⌘A