Hi Mike

Unless you have XL2007, you won't be able to append sheets with 35K
lines, as 70K would be above the XL2003 limit of 65536 rows.

You could export the data as from each sheet as csv files.
Join all 4 sheets together with a DOS command, or CopyPaste into
Wordpad to join them all together.
Then change the file extension to .txt.

Then in XL2003, you could use External Data source, and point at your
large txt file.
--
Regards
Roger Govier

mike_vr wrote:
Hi there

Just a quick one pivot tables. Say I have multiple worksheets all with
35k lines or so, all with the same headings and data formats, is it possible
to create a pivot table that looks at all four tabs and sums them into one
table on one worksheet?

Thanks

Mike