Subfolder Navigation
As you navigate subfolders, the left side of the action toolbar displays the path you followed to reach the current page. You can use these breadcrumbs to navigate back up the folder tree. Click a folder name to navigate to that folder, or click the ellipses button to navigate further up the tree.
If the browser is too narrow to display the action toolbar, you can select previous folders from the drop-down in the upper-left corner: