Unable to cast COM object of type Microsoft.Office.Interop.Excel.ApplicationClass
I am getting below error when try to open work item query in MS Excel.
Its urgent, at present supporting project & they are stucked.
Team Foundation Error
Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{000208D5-0000-0000-C000-000000000046}' failed due to the following error: Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)).
Version details
VS 2010
Office 2007
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