PillarSoft

http://www.pillarsoft.net/help/os2/enhanced-e-editor/toolbar-2.shtml

Enhanced E Editor - ToolBar

When the editor is sized too small to fit all of the toolbar, two arrows appear on the left and right edges of the screen. Clicking these arrows will slide the toolbar all the way to the left or the right.

The toolbar may be hidden from the settings dialog. Here are some short explanations of each of the toolbar icons.