Open the Save All command from the
File > Save Image Set menu and
from the 
button's drop menu.
Save All
The Save All command saves all members of an image set to their files. All images in the top-most Image Window are saved.
Open the Save All command from the
File > Save Image Set menu and
from the button's drop menu.
Save as File List, Save to Folder, Save with Suffix, Saving Image Sets