how to open excel file in pc
How To Open an XLS File. The easiest way to open an XLS file is to double-click on it and let your PC decide which default application should open the file. If no program opens the XLS file then you probably don't have an application installed that can view and/or edit XLS files. Open the XLS file in its default program and choose to save the open file as another file format. 2  Use a File Conversion Online Service or Software Program to convert the XLS file to another file format.