How to: Show or hide outline formatting.
Solution:
Click 'Show Formatting' toolbar button on the 'Outlining' toolbar.
1) To view formatted text (i.e., show outline formatting), click 'Show Formatting' on the 'Outlining' toolbar. (Plain text changes to formatted text.)
Show Formatting button
2) To view plain text (i.e., hide outline formatting), click 'Show Formatting' on the 'Outlining' toolbar. (Formatted text changes to plain text.)
Show Formatting button