On Fri, 05 Jun 2020 21:35:10 +0100, Pamela wrote:
My Excel 2003 (version 11) on WinXP has been playing up and I don't have the
installation CD to do a repair.

Is there an alternative I can install which will read .XLS spreadsheets?

I seem to recall various open office suites but I don't know which will
install on XP.

Use Gnumeric.