To Convert a Subfigure Name to a Cell Name

Choose File > Import > Exchange File Types > IGES .
From the Import IGES dialog, specify the filename and then click OK.
From the Import IGES File dialog, choose Settings > Cell Names.
The Cell Names dialog opens.
In the Subfigure Name field, type the subfigure name.
In the Cell Name field, type the cell name to which to convert the subfigure name.
Click Add.
To close the Cell Names dialog, click Done.
To import the file and close the Import IGES dialog, click Import.