My old dos spreadsheet (supercalc 5) used to colour the text of
protected cells in a different color ,(which made the entry of data
easy because the protected cells usually contain formulae ).When
reentering new data I was then able to select the whole spreadsheet
and "blank " all cells that are not protected in one keystroke.
This left all cells that were protected with there formulae intact and
highlighted in a different color.

Can anyone suggest the way to do this in EXCEL?

The ideal solution would be to create a format or a style that will
automatically be used whenever a cell is protected.

To go throught the whole sheet manually reformatting each and every
protected cell seem to be a very long way around a relatively simple
problem.

Regards from South africa