You will have grouped sheet tabs If you look on the title bar (top left) you
will see the file name and [grouped]

To group sheets either Ctrl and click another sheet tab or shift+click on
another tab. Anything you do on these sheets will be 'mirrored' on others

--
HTH
Nick Hodge
Microsoft MVP - Excel
Southampton, England

HIS
www.nickhodge.co.uk

"Chazzer555" wrote in message
...
I use excel as a multi page system to do calculations. Sometimes the auto
calculate turns itself off and any fresh number I type in automatically
appears on other pages in the same cell location.