Pick layers to add to legends and insets in the Pick Layers to Add dialog. Click the Add... button in the Layer page or Inset page to open the Pick Layers to Add dialog.
Select columns to add in the Pick Columns to Add dialog.
Click on a layer name in the Available layers to add: list to select the layer. Hold the CTRL key to select multiple items. To select a group of items, hold the SHIFT key and click the first and last items in the group. Click Add to add the selected layer to the legend or inset list. Click Cancel to close the dialog without adding any layers.
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