Insert Chapter Headings into Header of Word Document

(1) Automatically Insert your Chapter Headings into your Document Header

(2) Inserting the chapter title to the header in Word 2010

To sum it up: all you need to do is go to “Quick Parts”, select “Field”, and then place the category to “Links and References” and select “Styleref”. From there you can select what you need, for example “Heading 1”.