In the status bar of the Transformer page, click the Eye icon to review the list of visible and hidden columns.
Visible Columns Panel
Click the Eye icon next to a column name to toggle its visibility in the Transformer page.
NOTE: Columns that are not visible in the Transformer page are still generated in the output file. Before you run a job, you should review the Visible Columns dialog.
NOTE: Filters applied to the data grid or column browser are also applied in this panel. For more information, see Filter Panel.
SHIFTto select columns. Then, click the Selected link and choose to show or hide them.