This is a row grouping plugin. It sorts and seperates files based on columns. 
                    
                        - First choose the excel file you want to group
 
                        - Input the column number you want to sort with. E.g If you want to sort based on classes, select the column number for classes.
 
                        - Click on the group button. The process runs in the background and a second button appears
 
                        - Click on the second button to open the folder containing the sorted excel files.
 
                        - Open them to see the results.
 
                        - When you are done, feel free to delete the files