Select a field and click Add.

Note that when a field in a row that does not contain text is selected, that entire column disappears in the import, see example with c/o below.

If there is a large distance between two fields, you should search the addresses with the right or left arrow to check if there is a field with content.

Displays fields added to the list.

To delete a field, select it and click Delete.

Click Next to get to Finalize import.