Files with an xlxs extension won`t open

I run Win 7 with IE 9 and Office 2007.I have recently had to reinstall Win 7 to cure a Windows Update problem then I reinstalled Office 2007. Since then files with an xlxs extension won`t open with a single or double click. I would be most grateful if anyone could advise how to cure this opening problem.Other files without the extension open normally.

  Fruit Bat /\0/\ 15:56 23 Aug 12

Office converter for 2007 excel files

I would attempt to repair your office installation from the control panel Add new software, click on Office and select repair.

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