The oldest and simplest method is to pre-designate worksheet columns containing labels or error-bars and then select them in the worksheet along with XY datasets, before choosing your plot type. For most 2D plots, you can add labels after the plot is crea

Method 3 - Using Plot Details Dialog for 3D Graphs. Error bars also could be added in the 3D graph from existing datasets by the Plot Details dialog. This method ...

Click the Add button to add scatter data to the column plot. Then click OK to go back to column graph window.. Double-click the columns to bring up the Plot Details dialog box.