Hi Rebecca

I would insert a new column A.
In A1 enter =Row()
Double click the fill handle at the bottom right corner of cell A1, and
it will repeat the formula down to the extent of your data in column B.
Copy the whole of column A, Paste SpecialValues to fix the numbers and
use this column to be able to sort back to the original order.

--
Regards

Roger Govier


"Rebecca" wrote in message
...
Greetings. I am using Excel 2007 (beta) and I have a very large
spreadsheet
(455896 rows!) that consists of five columns (with each row in the
first four
columns filled in with various data). Of course, I back up the file
daily,
and I am well aware of the risks of using a beta, but so far it seems
very
stable (knock on wood). The reason I am using Excel 2007 is that it
has
expanded capacities (e.g., in the number of rows). The various rows
in the
fifth column will be filled in as time goes on (after certain sorts
and
resorts, for example).

I want to sort and resort on certain columns occasionally, but I want
to
strictly maintain the original order in each of the rows in all of the
columns (I realize this could be done in MS Access, but I have my
reasons for
sorting and resorting in Excel). First, I guess I'll have to make a
numbered
"key" column (ala Access) in the fifth column to enable a resort to
the
original order. Could you please give me some advice on how I can
sort and
then resort into the original order? To repeat, it is absolutely
essential
to maintain the original order of rows and the five columns.