For all practical purposes I never loose a Word document while I am working
on it - get interrupted - close Notebook, etc. Word always rescues the work
some way or another.

Not so with Excel - If I close the Notebook without remembering that I am in
the middle of a project that has not been saved yet - it disappears without a
trace.

What am I missing? I know that 'Save your work regularly!!!' would be the
common sense advice - but I thought we had moved all beyond that? Word
certainly has ...