Create and edit documents - insert or mark table of contents , footnotes, and citations

Mark a table of contents entry (Alt + Shift + O )

Mark a table of authorities entry (Citation). (Alt + Shift + I)

Mark an index entry. (Alt + Shift + X)

Insert a footnote (Alt + Ctrl + F)

Insert an endnote (Alt + Ctrl + D)

Go the next footnote (in Word 2016). (Alt + Shift+ >)

Go the previous footnote (in Word 2016). (Alt + Shift+ <)

Go to Tell me what you want to do  and smart lookup (in Word 2016). (Alt + Q)