From a Tabular Editor window of the DES you wish to change the name, open the DES menu. From a Graphical Editor window open the File menu. Next click Set Name... This will open the following dialog box.
Enter the new name for the DES and click OK.
Use this option to change the name of your DES.
Please Note: The DES name is used for identifying your DES in DESpot and is separate from the DES file name. The file name identifies your DES on disk.