Shortcut Keys

There are no built-in shortcut keys for adding or removing comments, but you can easily create them.

Right click on any of the toolbars and select Customise
Select the Commands tab and select the Edit category on the left hand side.
Drag the "Comment Block" and "Uncomment Block" commands to a menu (not a toolbar).
Right click on each one and prefix it with a "&"
&Comment Block
&Uncomment Block
Check the image and text
Close - SS