Open the Writing Assistant palette

Choose Palettes ▶ Writing Assistant to open the Writing Assistant palette:

Select a cell

Click the cell bracket of the cell to which you want to add a frame:

Add a frame to the cell

Click the Frame popup and choose a frame style from the list:

Use the Framed function to add a frame around any output:

Or use the CellFrame option to generate cells with frames:

Make a styling button

Make a button that adds a frame to the current selection:

Use the button

Use the button to add a frame to a cell:

• Custom buttons are useful for making styling toolbars. See Set Up a Docked Cell for more information.