I found an earlier response to this. And see that it cannont be automatically
inserted like it is in word.
I am creating a training manual with about 30 lessons saved as separate
documents due to the lenght of each lesson (45 pages). Having an accurate
filename and path at the bottom is helpful when we need to make changes.
Also, I'm not going to be here forever, it helps later on if someone finds a
print out of a lesson and they could go find it. I rarely print out anything
without the filename and path.
I think it would be a good option to add to future applications of
publisher. When you work for a huge corporation training thousands of people