You can invoke the Data Project Designer in the following ways:
•From the quick access menu’s Data Projects menu. The menu exposes the following options:

•From a Tasks or File Type widget. Typically, these might be displayed at your Home Page. For more information on widgets, please see the Dashboard Designer documentation.
•By double-clicking a Data Project file in the File System Dialog, or by highlighting a Data Project and clicking OK in the same context.
Note that access to the Data Project Designer is controlled via the Data Project – Design functional permission. If none of the user groups of which you are a member are associated with this permission, you will not be able to able to access the Data Project Designer.