How can i Group? 

•In some grids the grouping area is open. 

•In this case, you can group by dragging and dropping a column on the grid directly.

•If the grouping section is closed for the grid you are interested in; You can group with "Show Customization Dialog". (See Show Customization Dialog)

•It is enough to select the column you want to group in the grid with the left mouse button and drag it to this area.

•You can group with multiple columns