Getting all digits after comma problem when get the data with folder

Hi, 

When I try to get the data from excel it does not get the all digit. It takes the rounded value written in the cell, instead of the complete value written in the function bar. This problem only occur when I chose folder path ( full of excel files) as a source instead a specific excel file. 

I want to get all digits after zero even I get the data with folder path.

Thanks for help,

Best regards,