# Duplicating columns

If you want to have a copy of a given column, you may want to duplicate that column.

You will duplicate two columns and use them as a base for recreating the email addresses.

## Procedure

1. Click the column you want to duplicate, first\_name in this example.
2. Click the menu icon or right-click the column to open the contextual menu.
3. Click Duplicate column.

   ![](https://help.qlik.com/talend/en-US/data-preparation-user-guide/Resources/images/email_scenario_5.png)

   A copy of the column, first\_name\_copy, is created with the same data as the original.
4. Repeat these actions to duplicate the last\_name column.

## Results

The two columns are duplicated. The information contained in those two column will be used to create the local part of the email addresses you want to create.