It is on the Page Layout tab.
in the home tab
On the Insert tab in the Ribbon.
The sort button is on the Home tab. I am not aware of a group button in Excel.
On the Insert tab.
It is in the Tables group on the Insert tab of the ribbon.
Pick the Themes option on the Page Layout tab and then choose a theme that you want.
In order to group nonadjacent worksheets, you click first tab, then hold Ctrl and click last tab. Excel was developed by Microsoft.
view tab, show group
Home Tab/Editing Group
cells command
It is on the Home Tab, in the Styles group. On older versions of Excel it is on the Format menu.
For Excel 2007 it is on the Insert tab of the menu ribbon.