The Net Express project format is not the same as the project format in Enterprise Developer for Visual Studio 2015 so it is not possible to edit Net Express projects in Enterprise Developer directly.
You can open a Net Express project in Visual Studio using the Net Express Project Import wizard. The wizard converts the Net Express project into one or more Visual Studio projects. Click . The wizard analyzes your Net Express project, converts it to the appropriate project type and sets Compiler directives as needed.
In Visual Studio, you can add COBOL files to a project using the Add Existing COBOL Items in Solution Explorer. Enterprise Developer imports the files into the project and, if specified in the Add Existing COBOL Items wizard, scans the files to determine which files are programs or copybooks and sets the appropriate build actions on them. It also sets the COBOL dialect and EXEC SQL directives as specified in .
After importing your existing sources into a project in the new IDE, you need to set the required Compiler directives.
In Visual Studio, to set Compiler directives on native COBOL files, use the file properties, or the Determine Directives command from the context menu for the files in Solution Explorer. This triggers file scanning and sets directives as specified in .