That should work.

What happens when you do this? How do you know it's not working?

You may want to try:
Group all the sheets
Select a single cell
Edit|Replace
what: = (equal sign)
with: = (equal sign)
replace all
and ungroup the sheets.

Maybe it'll wake up excel's calculation engine????

Bett wrote:

In Excel 2003 AutoCalculate is switched off, how can I switch it back on? I
have used Tools, options, caluclation and ticked automatic and it does not
work.

--

Dave Peterson