You can configure the columns displayed in Manage Grid.
Change size
To change the size of a column move your mouse between two columns until the cursor symbol changes.
Drag and drop the symbol until the column has the desired size.
Change position
You can change the position of most columns by simply dragging and dropping them to the desired position.
You cannot change the position of the checkbox column.
Hide/show
You can show and hide columns using the Column chooser.