These were the instructions...
Insert a new column A.
Fill each cell in that column with a formula
=row()
convert those formulas to values
Select the range, then edit|copy followed by edit|paste special|values.
Then sort the data as much as you want (include all the columns).
Make your changes.
And resort the data by that helper column.
Then delete the helper column.
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To convert a cell (or a range of cells) that contains a formula to value(s):
you can select that cell/range,
then use Edit|copy
followed by
Edit|paste special|Values
(Edit is on the worksheet menubar at the top of the screen in excel versions
before xl2007).
If the second line is this:
Fill each cell in that column with a formula
=row()
You can select the range to fill with a formula and then type:
=row()
and hit control enter to fill all the cells in that selected range with that
formula.
There are other ways, too.
Debra Dalgleish shows how to put the formula (or value) in a cell and use the
autofill button here:
http://contextures.com/xlDataEntry01.html#Mouse