Even so, you can search the term em dash in your search engine of choice, copy the symbol, and paste it into your word processor or text box. Often, the primary search result will be a definition ...
Do not use a hyphen in place of "to" or "through," except in dates. A dash is expressed as an "em dash" ( — ) in printing, is expressed in plain text as two hyphens ( -- ) and is used in place of a ...