Unable to open Microsoft office files in libre office

I am trying to open using double click on my microsoft office files like xlsx, xls, doc, docx in libre office it does not open . while I need first open the libre office cals or writer application then I have to given path to MS office files then it will open .
I have set the default extension in default program still it does not work.

please help me in this.

Regards,
Pravin

Right-click the file, “open with…”, “choose default program”.

I have set the default program but it is not working.

Did you set the default to soffice.exe, swriter.exe, scalc.exe etc? All should be in the program sub directory of your LibreOffice install.