Error related to outlook and excel

[Tanvi_Sharma]

I have installed Uipath after formatting my system. Whenever I use any excel application scope activity I get an error saying “Install the Microsoft excel application”. But excel is already installed. I have installed all the packages, but still it is giving me the same error. Kindly help me out.

[Rammohan91 (Rammohan Banda)]

Check this thread,

Error opening workbook. Make sure Excel is installed

Scenario: Trying to launch Excel with “Excel application scope” but immediately get the following error: “System.Exception: Error openning workbook. Make sure Excel is installed —> System.InvalidCastException: 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…

Thanks,
Rammohan B.