Managing the Main Grid
All grids of XMM (movies, tv shows, episodes, actors, boxsets ) can be personalized in many ways.
by clicking with right button you will see the
Custom Menu:

As you can see you have many options. One of this is the "Column Chooser", that let you Drag & Drop Columns to your grid:

Another feature available is the possibility to
"Group" rows together. Again, just Drag & Drop field in the Group BY Area:

And this is what you will see in the grid. in this example the group is made by Country:
