Add and Remove Columns
You can change the columns that are displayed in a grid in order to see just the information you’re interested in.
Click
.To add a column, click on any column that is not already selected (does not have a check mark).
To remove a column, click on any column having a check mark.
Reset Columns
The new column selections are retained, even after you log off or navigate away from the page. To reset the columns back to system defaults, click 
and then select Reset Columns.
Column Search
If the list of columns in the grid is quite long, you can search for a column by entering text in the Column Search field.