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Opening XLS with XL2003, not XL2007

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Sep 20, 2007, 7:52:12 PM9/20/07
I have both Excel 2003 and Excel 2007 installed on the same machine.
Until today, I could doubleclick on any .XLS file and it would
automatically open in the old Excel. Now, however, it opens in the
new Excel in compatibility mode.

Even if I go to change the file association in Windows shell, Excel
2007 still keeps taking over.

As far as I know, nothing has changed on my system.

Anybody know how I can get Windows to always use the old version for
the .xls files?

Dave Peterson

Sep 20, 2007, 8:15:04 PM9/20/07
I don't know why it keeps changing for you, but this may work to change it back:

Close Excel and
Windows Start Button|Run
"c:\yourpathtoxl2003\excel.exe" /unregserver
Windows Start Button|Run
"c:\yourpathtoxl2003\excel.exe" /regserver

The /unregserver & /regserver stuff resets the windows registry to excel's
factory defaults.

If it fails, this is what I'd try next:

ShiftRight click on one of the offending files
Click on "Open With"
and choose Excel (or Choose Program and browse to excel.exe)
and check that "always use the selected program..." box.

Repeat for each offending filetype you want to fix (like *.xlt).


Dave Peterson

Sep 20, 2007, 8:34:38 PM9/20/07
The "file types" thing did not work - but the /regserver trick did.
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