Use this dialog to select the source table columns that you want to view or sort the source columns according to columns you select.
To open this dialog, on the Source Data dialog, select View > Display Fields if you want to display selected table columns only, or select Sort >Custom set if you want to sort the columns.
Source columns
Displays all the available source column names. Drag the required column name from this pane to the Selected columns pane.
Selected columns
Displays the column names you selected to view or the column names that will be included in the sorting sequence. To remove a column name from this pane, drag it back to the Source columns pane.