I have a spreadsheet that in certain columns will not allow the fill series
option to work. Only "copy cells" is an available option. Have tried
clearing contents, deleting column and inserting a new column all with the
same results. I can go to a column far to the right of my data and fill
series works. I can add a new sheet to the file and the fill options work
fine on the new sheet.

any suggestions why this option isn't working in this particular section of
the worksheet?
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Pat