By default, all software supports multiple file extensions. Not meant to be opened supports at least 5 different file extensions. The basic files that Not meant to be opened supports are .CED. However, not all of the extensions listed on the list are always used to save the effects of work in Not meant to be opened. Very often, files with such extensions are used as source data files used by Not meant to be opened.
Not meant to be opened can be used to convert file formats between the file extensions listed below. You can open a file with one of the file extensions below via Not meant to be opened and try to save it in another file format, also supported by Not meant to be opened.