It is called Outline.

You can access it from DataGroup and Outline menu.

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HTH

RP
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"tilak0219" wrote in message
...
I have a spreadsheet that has + on top of the columns and next to the
rows.
when you click on the + it hides or unhides the row/columns. there are
also
numbers at the very top left hand corner that when clicked on hides or
unhided all of the corresponding rows/columns. I would like to do this to
other spreadsheets. Can someone please let me know how this is done?
Thanks
in advance.