Here is a way you can access the headers/footers via VBA. As you can see, it's rather complicated syntax to get to something so simple:p there. Sub EditHeadersAndFooters Dim i As Long For i = 1 To ActiveDocument.Sections.Count With ActiveDocument.Sections (i).Headers (wdHeaderFooterPrimary).Range.Text = 'Foo'.Footers. There are a few different ways to do this. Here is the task Quora User referenced, just spelled out in detail. Search and replace for specific formatting traits within the document. Double-click on the header. In the Header & Footer Tools tab, in the Options section, check Different First Page. Once you check this option, the stuff you put in the header of the first page won't appear on other pages and conversely, if you change the header of any other page it won't affect the first page.
To add a header or footer to the entire document, follow these steps:

1. On the Insert tab, in the Header & Footer group,choose Header or Footer:

2. Choose the predefined header or footer from the gallery. Hover themouse pointer over a header to see a description:

Word inserts the header or footer, displays the header or footer area if the current view wasn'tdisplaying it, adds the Header & Footer tab:
3. Complete any of the elements as needed or select one of theAutoTexts. Note that you can add more than one line of text. Format the text just like any othertext, and use the Tab key and spacebar or the alignment buttons on the Formattingtoolbar to position it.
4. To remove a content control, right-click it, and then chooseRemove Content Control from the context menu:

How To Change Header Font In Word

Note: To move from the header area to the footer area, on the Header & Footertab, in the Navigation group, choose Go To Footer or Go To Header. Alternatively,press ↓ (upper arrow) from the last line of the header or ↑ (down arrow) from the first lineof the footer:
Change Heading Font Word
5. When you've finished changing the header or footer, on theHeader & Footer tab, in the Close group, choose Close Header And Footer orpress either Esc or Alt+Shift+C. Word closes the header and footer area for editing,returning you to the main text of the document.
Note: You can also double-click in the main text to return to it from the header orfooter. Likewise, if you can see the header or footer area, you can double-click in it to switch to it.
Change Header Font Ms Word 2016
To display and edit an existing header or footer quickly, double-click the dimmed header orfooter in Print Layout view. See alsoHow to create different headers and footers on odd and even pages.
See also this tip in French:Comment ajouter les en-têtes et les pieds de page dans votre document Word.