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Office 2010 Professional Plus on Win 7 breaks Excel file associations

July 26th, 2010 No comments

If after you have installed Microsoft Office 2010 Professional Plus on Microsoft Windows 7 64-bit, .xls and .xlsx are not associated anymore with Microsoft Excel, open regedit, go to
HKEY_CLASSES_ROOT
and delete both .xls and .xlsx folders. Then close the regedit. Now if select files with these extensions and you select Open with… you can now find Microsoft Excel.

Thanks to Waldo Nell’s voice for the solution.

SOURCE: Office 2010 Professional Plus on Win 7 breaks Excel file associations