To edit a .dbd, .mfs, or .psb file in the basic Visual Studio editor:
This Visual Studio editor provides a basic level of colorization for items such as reserved words and comments. It does not support background parsing or syntax checking.
In addition to directly editing one of these file types, you can also edit database data for .dbd and .psb files using Micro Focus Classic Data File Tools. For details, see IMS Database Editor .