Deselect All
Deselect All will deselect every selected embroidery, including any that are outside the chosen hoop.
Click the Deselect All
button on the toolbar.
Choose Edit > Deselect All.
Press ⇧⌘A
Select an Embroidery
Multiple Select Features
Select All Visible
Box Select
Freehand Select
Point Select
Selecting Embroideries
will deselect every selected embroidery, including any that are outside the chosen hoop.