So you have to put the contents of the bag somewhere else (bank?), remove the bag and place it somewhere (bank?). Once the bag is completely empty, you will now be able to pick it up by clicking on that bag’s icon and dragging it. You can put the items into another bag, or the bank, or destroy them. To remove a bag from one of your additional bag slots you must first empty the bag. Doing so provides added inventory slots based on the size of the bag. Players equip bags by placing them in the bag slots at the right-most end of the interface bar adjacent to the backpack, a special bag that is neither movable nor replacable.
