Developer / company: NeXT
Nextstep was the original object-oriented, multitasking operating system that NeXT Computer developed to run on its proprietary NeXT computers ("black boxes") such as the NeXTcube. Nextstep 1.0 was released on September 18, 1989 after several previews starting in 1986. The last version, 3.3, was released in early 1995, by which time it ran not only on Motorola 68000 family processors, but also IBM PC compatible x86, Sun SPARC, and HP PA-RISC. Apple Inc.'s Mac OS X is a direct descendant of Nextstep.
The NeXTSTEP software seems to be old or discontinued.
Such programs may not work on modern operating systems properly, are no longer available and supported by their original developers, or are simply obsolete for their purpose. Sometimes companies offer limited support through their website.
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Note: You can click on any file extension link from the list below, to view its detailed information. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. However most, if not all directly associated file extensions should be listed with its appropriate program. Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program.
NeXTSTEP default file extension associations
Common file extensions used by NeXTSTEP
Other file extensions associated with NeXTSTEP
Comparison table of actions that NeXTSTEP can perform with each of its associated file type beta
This table might not contain all possible associated or supported file types or may contain incorrect data.
If you need more information please contact the developers of NeXTSTEP (Next, Inc.), or check out their product website.