How to Used Em Dash?

Use an em dash to show a break in thought

Use an em dash to add emphasis

Use an em dash to set off extra information

Use an em dash to replace commas for stronger separation

Use an em dash to replace parentheses for emphasis

Use an em dash to introduce a list or explanation

Use an em dash to indicate an abrupt interruption

Use an em dash to show a range only when style rules allow it

Do not put spaces around the em dash in American English

Use spaces around the em dash only if the style guide requires it