You can edit it in notepad since it is a normal text file. If you need to adhere to some standardization or a naming convention, all you need to do is to modify this file. Working this way makes it very easy to support a new database. These domains can then become the datatype for attributes of different entities defined in the diagram. You can switch between versions making any of the previously saved versions as the current one.
Reports detailing the changes made to the data model across versions are very useful.
The entire ER diagram can also be saved as a bitmap, GIF file or as windows metafile. Database architects can benefit most from DeZign. It is also a great tool to database administrators who run the scripts. Even the design changes made over time can be easily incorporated and viewed diagrammatically. This tool can act as an excellent launch pad for database programmers who wish to take to database design as a career advancement move.