A family of Microsoft word processing software products for creating web, email, and print documents.
Turn off the button with a paragraph mark and then go to File > Options > Display. If the "Hidden text" box is checked, click it to uncheck it.
The button on the ribbon controls only the "Show all formatting marks" option. If any of the other options in that group are turned on individually, they remain turned on when the the button is turned off.
You can ignore Dean's response. XE fields are automatically marked as Hidden. When they're made visible by displaying hidden text, they always display the field code regardless of the setting that Dean indicated, because they don't produce any visible field value.