The Barcode & VDP Editor has the following tabs:
Info box for placeholders and barcodes
Below the tabs, there is an info box, listing all the barcodes and text placeholders placed in the document. When you select an item from the list, the related element is selected automatically and its tab opens. You can navigate in the list using the arrow buttons.
To display more placeholders at once, you can adjust the size of the info box (if the Barcode & VDP Editor is open in full screen mode). To do this, click on the top edge of the box and drag it up.
To select all placeholders at once, select a placeholder in the list and press "Ctrl + a".