Hiding is used for the sheets that contain subtotals. Tabs of hidden sheets are not displayed.
To hide a sheet:
Click the Actions button on the corresponding sheet tab.
In the drop-down list select the Hide item. The sheet tab will be hidden.
To unhide the hidden sheet:
Click the All Sheets button.
In the drop-down list click the sheet that should be displayed. The tab of the corresponding sheet will be displayed.
See also: