My guess is that you need to have saved the workbook as native excel 2007
format and not 97-2003 so maybe you have opened a workbook originally made
in a previous version?

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Regards,


Peo Sjoblom


"Gilbert" wrote in message
...
I would like to turn on my enable live preview but unfortunately I am un
able
to select it because it's grayed out. Any Ideas on how I can enable this
feature.