All Files Duplicating Layers and Columns Duplicating an element provides you with a copy of the drawings and their exposure. You can modify anything you want in the duplicated element without affecting the original one. How to duplicate an element In the Timeline or Xsheet view, click the layer or column to duplicate. Do one of the following: (Xsheet) Right-click on the column and select Duplicate Selected Columns. (Timeline) Right-click on the layer and select Duplicate Selected Layers. The new duplicated layer or column appears.