Word 2016 and 2013 have feature that lets users to enter long words in the end of line as hyphenated text.
Sentence Without Hyphenation
Sentence With Hyphenation
This automatic hyphenation feature is by default disabled in Word 2013 and you can enable use the option available as part of the Page Layout menu.
Click Page Layout option and navigate to Page Setup section.
Click Hyphenation option and change the default value from None to Automatic or Manual based on your preference.
If you want to Hyphenate words in CAPS or Limit Consecutive hyphens then you can use the settings available as part of Hyphenation Options.