How Do I Remove A Steelcase Desk Drawer How Do I Remove The File Drawer Old Steelcase Desk?

How do I remove the file Drawer old Steelcase desk? - how do i remove a steelcase desk drawer

This is a field of 6 Tan w / chrome legs, formica. I think that 70's / 80's. Who knows how to remove the drawer to the slides. And I can not find a way to unlock the drawer slides to remove them.