To show/hide columns, use the Change Columns dialog box. To access, click the Columns button, and select Change Columns.

Alternatively, click the x in a column header to hide a specific column.

Double-click headers to drill down within the header structure.

These are complex headers that include lower level headers under them. Double-click the header to display its lower level headers, or change your selections in the Change Columns dialog box.

When you select the Copy from function for a column and then scroll over the other columns, an indicator displays to show whether a source column is compatible with the target column.

Indicates a column that you can use as a source.

Indicates a column that you cannot use as a source.

Click the desired source column to select.

It is recommended to work directly in the data row within the rule.

If your structure includes many columns, the Row Detail dialog box offers a more user friendly format for viewing, entering, and editing data manually. Right-click a row and select Row Detail.

Yes. In the Row Detail dialog box, right-click an array item and select Move Array Item.

Click Ctrl+F to search the data model.

Click Ctrl+H to find and replace data.

The Row Detail dialog box enables you to search the row to find specific text. Right-click a row and select Row Detail.

Hover over the import/export icon in the data rule to see the location of your external data file.

You can also right-click the rule and select External Data Properties for more information on the external file.

Do one of the following:

• Expand a rule, and click the bind icon . A "preview" of your external data file displays within the rule.
• Right-click a rule and select Open External Data.

To show/hide columns, use the Change Columns dialog box. To access, click the Columns button, and select Change Columns.

The headers are showing a different message structure. Double-click on the grayed area to switch header structure.

Right-click a rule and select Import Message.

The columns (headers) that contain the data are hidden. Click the Columns button, and select select Change Columns to change the display settings.

These columns are configured for data masking. For details, see Data Masking Dialog Box.