This is documentation for Mathematica 3, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
 Documentation / Mathematica / Other Information / Menu Commands / Format Menu  /
Show Toolbar

▪ Show Toolbar toggles the display of the toolbar along the top of the notebook.
▪ The toolbar displays the cell style of the selected cell, and allows you to choose other cell styles. You can also use the toolbar to change the text alignment within a cell to flush left, centered, flush right, or justified.
▪ This command sets the option WindowToolbars{"EditBar"} on the selected notebook.