How to: Automatically insert the filename into a document header or footer.
Solution:
Display the header and footer and insert a FileName type field.
1) Select the 'View' menu and select 'Header and Footer'.
2) Select the 'Insert' menu and select 'Field...'.
3) Select 'Document Information' from the 'Categories' list box.
4) Select 'FileName' from the 'Field Names' list box.
'Field Names' list box
5) Click 'OK'. (The field will be inserted.)