From Start-Run enter "<full path to Excel 2003\Excel.exe /regserver" (no
quotes, there is a space before the slash).

This 're-registers' Excel 2003 as the owner of XLS and other files Excel
2003 knows about. It should not affect the new 2007 file types like XLSX.

--
Jim
"JudithJubilee" wrote in message
...
| Hello,
|
| I have installed the 60 days trial version of 2007 to run alongside 2003
on
| a client's PC.
|
| If she double clicks on an Excel file (Word also) I would like it to
| automatically open in the 2003 version. I only want 2007 to open if she
| purposely chooses it from the Start menu.
|
| Thanks in advance
| Judith