why is conditional formating grayed out

[Martin K...ski near Boston]

office 2007

i used it before i hide locked and set protections...ive undone this and
still no conditional formating available....gray

 

[Shane Devenshire]

Hi,

The most common reason is that you are in group mode. This feature and
others are only available when a single sheet is selected. Right click the
sheet tab and choose Ungroup.