There's a picture here that illustrates Jason's suggestion to close one
of the windows:

http://www.contextures.com/xlfaqApp.html#TwoWindows

John Keith wrote:
You may have 2 windows of the same file open. Close one
(*not* the Excel application). Now save the file.


Well, when I close one of the files in the Window list both entries
are removed so this process mentioned above is not possible to follow.

Something else must be going on.

--
Debra Dalgleish
Excel FAQ, Tips & Book List
http://www.contextures.com/tiptech.html