In this example, we are going to find the package attribute for program RSARFCER. You can do the same for other programs.
Execute the transaction code SE80. Click on Repository Browser. Select Program from the selection list and define the program name. Click on the spec icon to display. Right click on RSARFCER (under the Object Name), select Display > Attributes.
The ABAP Program Attributes Display dialog box will appear and you can find the assigned Package here.
Execute transaction code SE38. Fill in the program name. From the top menu, select Goto > Object directory entry.