Check your last cell Ctrl+End
use of merged cells might also be involved.

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HTH,
David McRitchie, Microsoft MVP - Excel [site changed Nov. 2001]
My Excel Pages: http://www.mvps.org/dmcritchie/excel/excel.htm
Search Page: http://www.mvps.org/dmcritchie/excel/search.htm

"Fuller" wrote in message ...
Whenever I try to group columns of a large spreadsheet, it shows "cannot
shift objecs off sheet." I have not reached the maximum columns, but the
Excel program clearly thinks I have. Why is this?