Maybe you could use data|filter|autofilter (and create a new column with some
sort of indicator in it).

Or maybe you could use Data|Group and outline

I don't know of another way.

madhu16 wrote:

I need to merge/hide 10 columns under a single column. then if i double click
the main column , i should be getting all the 10 columns. its almost like
creating the node. Please help me out in this. its very urgent. thanks in
advance!

ex : An year consists of 12 months put in 12 columns, so i want to merge
all the 12 columns into 1 column as a years data. then if i want to view all
the 12 months , i should be able to see.

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Dave Peterson