Most often IBB files are associated with the ImgBurn Project Format. The ImgBurn program and this file format were developed by Lightning UK!. An IBB file stores a burning project that will be burned on a medium by ImgBurn. This includes files, disk images, videos, etc. set by the user. How to open an IBB file. Use ImgBurn to open project files with the IBB extension. Other software likely cannot open them. To open an IBB file, first install ImgBurn. Go to the ImgBurn site and download their tool. Then install it. You may need to associate IBB files with ImgBurn in Windows. Right-click on an IBB file, choose “Open with” option, and select ImgBurn. You can also associate the extension in the registry. 203 types of files use the IBB extension but most are not compatible. You must use a different program to open them. Choose an IBB opener, convertor, viewer or editor. IBB files are compatible with Windows operating systems. ImgBurn was released by LIGHTNING UK!.